Volume 3, December 2016, Pages 16–23
Abstract
The
aim of this prospective, longitudinal study was to examine the
association between couples’ pre-treatment psychological characteristics
(state anxiety and infertility-related stress levels of both partners)
and ovarian response during assisted reproductive technology treatment
in a well-controlled sample. A total of 217 heterosexual couples (434
patients), suffering from primary infertility and undergoing their first
assisted reproductive technology treatment at the Reproductive Medicine
Unit of ANDROS Day Surgery Clinic in Palermo (Italy), were recruited.
Psychological variables were assessed using the State Scale of
State-Trait Anxiety Inventory (STAI-S) and the Fertility Problem
Inventory (FPI). The number of follicles ≥ 16 mm in diameter, evaluated
by transvaginal ultrasound scan on the eleventh day of the workup, was
chosen as the outcome measure. No association between women’s level of
anxiety and infertility-related stress, and the number of follicles ≥ 16
mm in diameter was found. Moreover, the male partner’s infertility
stress and anxiety did not influence the relationship between the
woman’s infertility-related stress, anxiety level and ovarian response.
Fertility staff should reassure couples that the woman’s biological
response to ovarian stimulation is not influenced by either partner’s
level of psychological distress.
Keywords
- anxiety effects;
- assisted reproductive technology outcome;
- infertility-related stress;
- ovarian response
Introduction
Between 9 and 15% of the childbearing population experience infertility (Boivin et al., 2007) and 55% of infertile couples request treatment using assisted reproductive technology to address the issue (Bunting and Boivin, 2007). According to Boivin et al. (2011),
many couples experiencing infertility believe that stress or anxiety
contribute to the outcome of fertility treatment. A considerable
literature has accumulated regarding the association of psychological
distress with assisted reproductive technology outcome, and several
hypotheses have also been put forward to account for the reasons why
psychosocial factors and an individual’s level of distress could be
associated with the assisted reproductive technology treatment outcome.
One hypothesis is that activation of the hypothalamic–pituitary–adrenal
(HPA) axis during stress interferes with the gonadotrophin-releasing
hormone (GnRH) pulse generator, the activity of which is required to
cause a cascade of other hormonal events that undermine the reproductive
function (Ferin, 1999 and Lancastle and Boivin, 2005).
Other proposals include behavioural effects, for example, that stress
might trigger or be associated with behaviour or lifestyle decisions
that may then compromise fertility (Boivin and Schmidt, 2005 and Waylen et al., 2009).
Although
much research has been conducted into the influence on outcome of
psychological factors related to IVF and intracytoplasmic sperm
injection (ICSI), the results are still inconclusive. For example, Smeenk et al. (2001)
found a significant relationship between a composite baseline score of
state anxiety and depression and a woman’s chance of pregnancy in
IVF/ICSI treatment (controlling for age and number of previous
pregnancies). Also, Gourounti et al. (2011)
found that, having controlled for biomedical factors,
infertility-specific stress and anxiety were negatively associated with
the chance of pregnancy after IVF in a sample of 160 infertile women.
However, two recent meta-analyses do not support these findings. The
first meta-analysis (Boivin et al., 2011)
included 14 prospective studies, which examined the relationship
between pretreatment emotional distress (evaluated through self-report
measuring of anxiety, depression and psychological wellbeing) and
pregnancy (operationally defined as clinical/preclinical pregnancy or
live birth rate) in infertile women undergoing fertility treatment. The
findings from this study supported the hypothesis that emotional
distress, caused by fertility problems or other life events co-occurring
with treatment, does not compromise the possibility of becoming
pregnant. However, the authors affirm that definitive research on this
link is still lacking. The meta-analysis by Matthiesen et al. (2011)
also showed no significant association between depression and clinical
pregnancy, and only a slight negative association between stress and
clinical pregnancy, and between state or trait anxiety and clinical
pregnancy.
The
contradictory results from previous research regarding this topic may be
due to several methodological shortcomings, in addition to the study
design. For example, despite the majority of studies including patients
who were undergoing their first IVF/ICSI treatment, as a group the
participants are mostly heterogeneous in terms of causes and type of
infertility.
In Boivin’s et al. meta-analysis (2011),
the main methodological limitations of the studies were the use of
convenience samples (non-consecutive or selected samples), failure to
fully demonstrate the equivalence of pregnant and non-pregnant groups on
prognostic indicators before treatment and the assessment of outcome
after a single cycle of treatment with assisted reproductive technology.
It
is also worth mentioning that the majority of studies regarding the
association between psychological variables and the outcome of IVF/ICSI
treatment used the realization of pregnancy as an outcome measure.
Pregnancy after IVF/ICSI treatment is the final step in a chain of
component events, such as the woman’s response to pharmacological
stimulation, the number of follicles obtained, the number and quality of
oocytes retrieved, the quality of the sperm, the quality of the embryos
and the embryo-transfer procedure. Assessments provided by medical
staff, with regard to the quality of oocytes, the development of embryos
or the skill of the oocyte retrieval and embryo-transfer operators, may
also impact on the ultimate outcome of IVF (Angelini et al., 2006 and Karande et al., 1999).
Despite
the very early phases of IVF being critical for the outcome, no
meta-analyses were conducted (due to the few studies available) to
investigate the impact of depression, anxiety and stress on the initial
measures (e.g. the number of follicles or oocytes) related to pregnancy
outcome (Matthiesen et al., 2011).
Several previous studies suggested that a woman’s age, body mass index
(BMI), FSH dosage, duration and cause of infertility and number/type of
attempts (Broekmans et al., 2014, Rittenberg et al., 2011 and Shen et al., 2003)
may have an influence on the number of follicles observed during
hormonal stimulation. Regarding the influence of a woman’s psychosocial
state, a study by Klonoff-Cohen et al. (2001)
showed that the number of oocytes retrieved and fertilized, and embryos
transferred, decreased with each increase in a woman’s negative affect
score on the Positive and Negative Affect Scale (PANAS) and Profile of
Mood States (POMS) scales. Conversely, in the study by Smeenk et al. (2001)
there was no relationship between baseline state anxiety (as measured
by the State-Trait Anxiety Inventory [STAI]) and the number of follicles
or oocytes in 291 women undergoing IVF/ICSI treatment. Ebbesen et al. (2009)
found that negative life events experienced within the previous 12
months had a bearing on the number of oocytes obtained during oocyte
retrieval, whereas there was no effect from perceived current stress,
measured by the Perceived Stress Scale, in a sample of 887 Danish women
undergoing their first IVF treatment cycle. Moreover, in the Nouri et al. study (2011), women’s stress as measured by saliva and by the Fertility Problem Inventory (FPI; Newton et al., 1999)
was not prospectively associated with a reduced number of oocytes in a
sample of 83 patients undergoing their first IVF cycle. Interestingly, Lancastle and Boivin (2005)
tested a model with a latent psychological factor (whose indicators
were dispositional optimism, escapist coping and trait anxiety) to
predict the ovarian response dimension (women’s peak oestradiol level,
number of follicles and number of oocytes) in a sample of 97 women who
were about to begin IVF treatment; this provided evidence for shared
variance among the three psychosocial variables and their correlation
with women’s ovarian response to stimulation. Taken together, the
results from these previous studies do seem inconclusive, and again,
several methodological flaws, as well as the clinical heterogeneity of
the samples included in these studies, could account for these
inconsistent findings.
Finally,
there exists a conceptual and analytical problem regarding the previous
studies concerning the associations between assisted reproductive
technology treatment outcome and psychological characteristics.
Infertility is typically experienced by a couple and not by a woman
alone. Krasikova and LeBreton’s theory (2012)
would suggest that meta-analysis studies are pseudo-unilateral because
the researchers do not take into account the anxiety or the infertility
stress experienced by the male partner. By analysing data only regarding
the woman’s anxiety or infertility stress, researchers are assuming
that her partner’s anxiety or infertility stress has no effect on the
process of infertility treatment.
Various
studies exist highlighting the influence of both partners’
psychological variables with regard to infertility-related stress,
anxiety, depression and coping, as experienced by infertile couples
undergoing assisted reproductive technology treatment (Benyamini et al., 2009, Donarelli et al., 2012, Martins et al., 2014, Peterson et al., 2008 and Peterson et al., 2014); however, to our knowledge, only a few studies (Boivin and Schmidt, 2005, Cooper et al., 2007 and Quant et al., 2013)
have investigated the impact of both partners’ psychological condition
and infertility-related stress on assisted reproductive
technology-specific outcomes. For example, in the study by Boivin and Schmidt (2005)
higher overall infertility stress, as measured by the Fertility Problem
Stress Inventory, in men and women, plus a prolonged period of several
years of infertility, was associated with a poorer treatment outcome.
These results are limited by the heterogeneous nature of the sample of
couples who received IVF, ICSI or intrauterine insemination treatment,
and by the definition of the success group (n = 488) and the non-success group (n
= 330); the former included both women who were currently pregnant and
who had had a live birth, and the latter women who had never been
pregnant, alongside those who had reported a pregnancy failure (e.g.
miscarriage). In the study by Quant and colleagues (2013)
results show that a partner’s higher psychological distress, as
measured by the Profile of Mood States and the Life Orientation Test,
was negatively associated with the fertilization rate; furthermore, the
partner’s depression score was an independent predictor of reduced
likelihood of clinical pregnancy following embryo transfer in 100
consecutive couples undergoing IVF treatment.
The
aims of the research were twofold: the first was to investigate the
link between women’s pre-treatment state anxiety, infertility-related
stress (T1 baseline) and ovarian response in their first assisted
reproductive technology treatment cycle (T2 outcome). The first
hypothesis of the study was that women’s higher scores in
infertility-related stress and higher anxiety levels impact negatively
on the outcome of ovarian stimulation, after controlling for the
duration of infertility, oestradiol levels and total units of
gonadotrophins administered.
The
second aim was to examine the extent to which the male partner’s
infertility stress and anxiety could intervene as a moderating variable
in the relationship between a woman’s infertility-related stress and
anxiety and her ovarian response. It was postulated that men’s low
levels of anxiety and infertility-related stress could reduce the
negative effect of their partners’ psychological factors with regard to
ovarian stimulation.
Ethical approval
The
Research Ethics Committee of the ANDROS Day Surgery Clinic approved the
study protocol and all couples were recruited voluntarily; they also
gave their written informed consent to participate in the study.
Materials and methods
Participants
As
a part of a larger prospective, longitudinal study, couples had been
referred to the Reproductive Medicine Unit of the ANDROS Day Surgery
Clinic, Palermo (Italy) between March 2009 and December 2012 for their
first assisted reproductive technology treatment. The sample was
strictly selected in order to exclude other intervening variables
(female cause of infertility, age, basal hormonal values, BMI, past
pregnancies, previous treatments), which could affect the outcome.
The
inclusion criteria were: (i) primary infertility; (ii) starting initial
assisted reproductive technology treatment; (iii) women’s age < 38
years; (iv) women’s BMI ≥ 18 and < 30 kg/m2; (v) women’s FSH values < 12 mIU/ml (measured on cycle day 2-4); and (vi) male factor and unexplained infertility.
Women
with female-factor infertility were excluded because their disease
could influence ovarian performance. On the other hand, inclusion
couples suffering from male-factor and unexplained infertility is based
on the knowledge that, in these cases, an impairment of ovarian function
may be excluded.
A
total of 279 couples (558 subjects), suffering from primary infertility,
were consecutively recruited and invited to participate in the
research. Thirty-six couples declined to participate due to a lack of
interest, and twenty-six couples were subsequently excluded as they had
terminated hormonal stimulation prior to the eleventh day of the workup (n = 5) or due to incomplete data (n = 21). The final sample comprised both members of 217 couples, i.e. 77.8% of eligible couples ( Fig. 1).
Procedure
Participants
included in the study were asked to complete questionnaires prior to
commencing their initial assisted reproductive technology treatment. The
envelope handed to the couples involved in the study, containing only
the psychological, standardized and validated self-report measures (one
for each female and male partner), was provided by the clinic’s
physician. Each partner was asked to separately complete this
questionnaire and return it to the physician at the following, scheduled
pre-treatment appointment with programme staff (the interval between
questionnaire administration and returning the questionnaire was 15-21
days (mean ± SD = 18.5 ± 2.3). The questionnaires (66 items in total)
took approximately 15 min to complete.
Controlled
ovarian stimulation was performed after pituitary down-regulation, with
gonadotrophin-releasing hormone (GnRH) agonist initiated on day 21 of
the previous cycle. Multi-follicular development was achieved by daily
injections of recombinant FSH, commencing at least 12 days after
pituitary down-regulation. Treatment with recombinant FSH was commenced
with a 5-day fixed dose regimen and thereafter adjusted, according to
the response of the ovaries to stimulation, where necessary. Oestradiol
values and follicle growth monitoring (undertaken with the use of
transvaginal ultrasonography and measurement of serum oestradiol) were
assessed on days 6, 8 and 11 to evaluate possible modifications to the
recombinant FSH dosage; for those women who underwent oocyte retrieval,
oocyte maturation was triggered with an injection of 10,000 IU of human
chorioni gonadotrophin (HCG), after a minimum 10 days of FSH therapy.
Measurements: independent variables (IV)
Infertility-related stress
The
FPI was used to measure levels of infertility-related stress. It
comprises 46 items covering five domains of infertility-related stress:
Social Concerns, Sexual Concerns, Relationship Concerns, Rejection of
Childfree Lifestyle and Need for Parenthood. All items are scored using a
six-point Likert scale, ranging from 1 (I do not agree) to 6 (I totally agree);
the overall score ranges from 46 to 276, where a higher score indicates
more fertility-related stress. The FPI demonstrated reliable
discriminant and convergent validity ( Newton et al., 1999) and adequate psychometric properties with Italian samples (Donarelli et al., 2015). Cronbach’s alpha for the FPI overall score was 0.84 and 0.86 for women and men respectively.
State anxiety
The Italian version of State scale of State-Trait Anxiety Inventory (STAI-S) (Pedrabissi and Santinello, 1989 and Spielberger et al., 1983)
was used to assess participants’ state anxiety. The STAI-S comprises 20
items and it refers to the anxiety level of an individual at a
particular moment in time. The score for each item ranges from 1 to 4,
with higher scores indicating greater anxiety; thus, total scores range
from 20 to 80. The STAI-S tool was previously used in infertility
research and it has demonstrated a high degree of reliability and
validity (e.g. Donarelli et al., 2012 and Smeenk et al., 2001). In this study Chronbach’s alpha coefficient was 0.83 and 0.86 for women and men respectively.
Measurements: dependent variable (DV)
The
DV was the number of follicles equal to or greater than 16 mm in
diameter, as evaluated by a transvaginal ultrasound scan on the eleventh
day of the workup. It is widely-known that at this measure the follicle
should have acquired an adequate number of LH receptors, which are
necessary to consent the HCG triggering of oocyte maturation.
Statistical analysis
A
preliminary analysis was conducted to verify the normality of data
distribution. Cronbach α was computed for all scales in order to
determine internal consistency. Descriptive statistics and bivariate
correlation coefficients between variables were also examined.
A
three-step regression analysis was performed to verify the direct
effect of the women’s infertility-related stress and state anxiety on
the ovarian response, and to explore the effect of the interaction
between both partner’s infertility-related stress and state anxiety on
the same outcome. Only control variables were entered into the model in
the first step, i.e. duration of infertility, oestradiol value and total
amount of gonadotrophins. Independent variables were entered in the
second step: women’s infertility-related stress and state anxiety. Two
interaction terms were added to the model in the third step in order to
test the hypothesis that the relationship between the women’s stress or
anxiety and the ovarian response could differ on the basis of the
partner’s stress or anxiety level.
Analyses were performed using PASW Statistical Package software (17.0 version).
Results
Preliminary analyses
A
preliminary analysis revealed no substantial violation of normality
regarding data distribution (Skewness < 1, Kurtosis < 1).
Descriptive analyses demonstrated that women were younger (mean = 33.07,
SD = 4.73) than men (men = 36.06, SD = 5.17), and a male cause of
infertility was detected in 70% of cases and unexplained factor in 30%
of participants; average (± SD) women’s BMI and FSH concentrations were
22.40 (± 2.89) and 6.72 (± 1.98) respectively. Gonadotrophin stimulation
was administered for an average (± SD) of 11.94 (± 2.32) days.
Given
that no differences were found between partners’ anxiety and
infertility-related stress and between the male factor and unexplained
infertility groups (data not shown), all the analyses were conducted on
the entire sample.
Table 1
shows the descriptive values and correlations for the study variables.
Women reported a moderate level of infertility-related stress via the
FPI, similar to that reported in previous studies with infertile samples
undergoing assisted reproductive technology (Donarelli et al., 2012, Gourounti et al., 2011, Moura-Ramos et al., 2012 and Newton et al., 1999).
Moreover, both women and men report high levels of state anxiety as
significant differences were found between their scores and those of the
normative sample (Pedrabissi and Santinello, 1989) (one-sample t-test: t = 2.497, P < 0.05; t = 3.795, P < 0.001 for women and men, respectively).
Mean SD 1 2 3 4 5 6 7 1 Duration 3.77 2.54 - 2 Oestradiol peak value 1278.18 541.30 0.09 - 3 Units gonadotropins 2019.19 1127.49 0.07 − 0.10 - 4 Women’s anxiety 41.52 9.36 − 0.11 − 0.09 − 0.14* - 5 Women’s infertility-related stress 132.81 27.77 0.03 0.02 − 0.06 0.38** - 6 Men’s anxiety 38.20 8.55 − 0.01 − 0.02 0.01 0.43** 0.30** - 7 Men’s Infertility-related stress 129.47 26.34 0.02 − 0.01 − 0.07 0.24** 0.69** 0.48** - 8 No. of follicles > 16 mm 6.35 2.47 − 0.13 0.25** − 0.22** 0.01 0.02 − 0.03 − 0.09
Results
show that oestradiol values were positively associated with the number
of follicles equal to or greater than 16 mm in diameter (P < 0.01), whereas gonadotrophin units were negatively associated with the number of follicles (P < 0.01). As expected, the women’s and their partners’ psychological variables were highly correlated (P < 0.01 for both anxiety and infertility-related stress).
Regression analysis
Regression analysis (Table 2) showed that the first model was significant (P < 0.01), and the three control variables were shown to be associated significantly with the number of follicles (P < 0.05, for duration of infertility and P
< 0.01 for oestradiol and units of gonadotrophins). The second model
showed the effects of the women’s infertility-related stress and state
anxiety in predicting ovarian response. The results revealed that
changing the model was not significant (P = 0.91) because a
very low variance percentage (< 1%) was further explained by the
introduction of women’s psychological factors. That is, women’s anxiety
and infertility-related stress did not significantly affect prediction
of the number of follicles (P = 0.68 and P = 0.76, respectively). The effect of the control variables remained unchanged when compared with the previous model.
Model R2 R2 Change F Change p Standardized coefficients
β t P I 0.12 0.12 9.92 0.00 Duration − 0.15 − 2.29 0.02 Oestradiol peak value 0.24 3.74 0.00 Units of gonadotropins (IU) − 0.19 − 2.91 0.00 II 0.12 0.00 0.10 0.91 Duration − 0.15 − 2.32 0.02 Oestradiol peak value 0.24 3.66 0.00 Units of gonadotropins (IU) − 0.19 − 2.91 0.00 Women’s anxiety − 0.03 − 0.41 0.68 Women’s infertility-related stress 0.02 0.31 0.76 III 0.13 0.01 0.71 0.49 Duration − 0.15 − 2.27 0.02 Oestradiol peak value 0.23 3.53 0.00 Units of gonadotropine (IU) − 0.20 − 2.96 0.00 Women’s anxiety − 0.03 − 0.45 0.65 Women’s infertility-related stress 0.05 0.65 0.51 Women × Men interaction anxiety 0.00 0.02 0.97 Women × Men interaction infertiltiy-related stress − 0.08 − 1.17 0.25
The
addition of the two interaction terms in the third model did not result
in any significant change in the explained variance (< 1%, P = 0.49). The two interaction terms did not significantly predict ovarian response (P = 0.97 and P
= 0.25, respectively for anxiety and infertility-related stress); the
two main effects (women’s anxiety and infertility-related stress)
remained non-significantly associated with the number of follicles. The
effect of the control variables also remained unchanged when compared
with the previous model.
Finally, the analyses were re-run by removing the unexplained infertility group from the dataset. The duration of infertility (b = -0.16; P < 0.05) and oestradiol peak value (b = 0.17; P < 0.05) both remained significant predictors of ovarian response in the first step. Women’s infertility-related stress (b = 0.01; P = 0.85) and anxiety (b = 0.01; P
= 0.88) did not significantly predict ovarian response in the second
step, nor the interaction between women’s and men’s infertility-related
stress in the third step (b = -0.01; P = 0.92; b = -0.12; P = 0.16, for anxiety and stress respectively).
Discussion
This
study tested different models examining: (i) the effect of women’s
infertility-related stress and anxiety levels on the number of follicles
≥ 16 mm in diameter; and (ii) the potential intervening role of their
partners’ psychological factors in this relationship. Contrary to our
first hypothesis, no direct relationship was identified between a higher
scores for women’s infertility-related stress and anxiety, and the
number of follicles ≥ 16 mm in diameter.
The
findings of this study are consistent with previous studies, which
found no relationship between perceived stress and anxiety and ovarian
response (Ebbesen et al., 2009, Nouri et al., 2011 and Smeenk et al., 2001).
As noted previously, numerous aspects of the study design increase
confidence in the validity of the study findings. The association
between a patient’s psychological variables and women’s biological
response was tested using strict inclusion criteria (including women
lacking an ascertained impairment of ovarian function), and an objective
and precise outcome.
The current study included couples suffering from both male-factor and unexplained infertility. Some studies (Batstra et al., 2002 and Wischmann, 2003)
suggested that unexplained infertility may in itself be related to
psychological variables or as yet unknown medical factors. However, the
pattern of results from this study remained the same when the
unexplained infertility sample was excluded from the analyses. Future
studies should focus on psychological variables other than infertility
stress and anxiety, by using strict outcome criteria.
The
second aim of this study was to investigate the extent to which the
male partner’s infertility stress and anxiety levels would serve as
significant intervening variables in the relationship between a woman’s
psychological factors and ovarian response. Contrary to our hypothesis,
the males’ infertility-related stress did not impact on this
relationship. A few studies have corroborated the influence of men’s
psychological distress on women’s treatment outcome (Boivin and Schmidt, 2005 and Quant et al., 2013),
even though no firm conclusions could be drawn due to the elevated
heterogeneity, among the samples, of the patient’s diagnosis. As far as
is known, the present study is the first to examine the influence of a
man’s distress on the relationship between his partner’s distress and
her ovarian response in a sample with only male-factor infertility.
However, a relationship between the male and female partner’s
psychological distress was identified. This latter result is in line
with previous studies exploring how each individual reaction to
infertility may impact on the partner’s adjustment and infertility
stress (Martins et al., 2014, Peterson et al., 2006 and Peterson et al., 2011); only a few studies have explored how each partner’s reaction to infertility may impact on the other partner’s adjustment (Benyamini et al., 2009, Holter et al., 2006, Martins et al., 2014, Peterson et al., 2006, Peterson et al., 2008 and Peterson et al., 2014).
This
study has a number of limitations, which should be taken into account
when interpreting the results. First, data were obtained from only one
private Italian clinic; a broader, multi-centred study, including
various clinical sites, might significantly verify the degree to which
these results can be generalised. There being but a single assessment of
couples’ infertility stress and anxiety at intake, further studies are
required to investigate the association between patients’ psychological
variables and ovarian performance at a subsequent point in time (e.g.
prior to oocyte retrieval). Only FSH values and BMI were controlled in
this study; other types of lifestyle behaviour were not taken into
account (e.g. the effects of smoking) (Waylen et al., 2009)
when exploring the associations between psychological variables and
biological outcomes. Finally, only data on the follicles was reported as
the assisted reproductive technology outcome. Further research is
needed to explore more fully whether an individual’s psychological
variables may impact on long-term adjustment to infertility for couples
who remain childless. The long-term effects of a partner’s distress on
an individual’s psychological adjustment following assisted reproductive
technology treatment should also be further investigated.
Despite
the above limitations, the authors of this research believe that this
paper contributes to existing knowledge in the area of a couple’s
infertility-related stress and its relationship with an assisted
reproductive technology treatment outcome. Firstly, strict inclusion
criteria were used in studying the ovarian response in order to exclude
completely women’s biological contributions to infertility and,
thereafter, it was supposed that only their psychological state could
influence the outcome. Only assisted reproductive technology treatment
with the same protocol was included in the study, in order to exclude
any bias linked to the different protocols used, and key variables (i.e.
cause of infertility, primary versus secondary infertility and initial
assisted reproductive technology treatment) were controlled. Secondly,
one objective and precise outcome (the mean number of follicles
observed) was chosen as an outcome measure. The number of oocytes
retrieved and the number of embryos transferred were not considered as
outcomes because they may have been affected by too many biases (for
example, embryo quality, oocyte retrieval or embryo transfer
procedures). If there had been any association, the idea of modifying
drug administration in function of the degree of psychological stress
could have been more fully accounted for.
It
is hoped that future research might take into account other
psychological variables (relating to both partners), which might share
various associations with ovarian response. Examples of the latter
include: quality of life related to the infertility experience (via the
FertiQoL tool), stable personality traits or dyadic adjustment in the
couple’s relationship.
The
authors of this study believe that it offers important clinical
implications for both physicians and psychologists. Clinicians and
psychologists will be able to reassure women that they will not
compromise the outcome of ovarian stimulation because they or their
partners are anxious or distressed. This encouragement may also help men
to de-emphasize their psychological distress in couples suffering from
male-factor infertility.
Moreover,
the results of this study suggest that even though no relationship was
found between pre-treatment psychological distress and response to
ovarian stimulation, the levels of couples’ psychological distress were
moderate to high, and strongly inter-correlated. It is widely known that
the infertility experience affects both partners’ lives and the failure
of this shared goal in life (i.e. becoming parents) affects the way
each of them perceives himself/herself as a partner. Furthermore, the
strong correlation between each partner’s scores of anxiety and
infertility-related stress suggests that each partner’s distress may be
affected not only by his/her own feelings regarding the infertility
problem, but also by their partner’s feeling. Thus, the results of this
study may support a clinician’s decision to actively involve both
partners in the diagnosis and treatment process, in accordance with the
ESHRE guidelines (Gameiro et al., 2015),
in order to address the needs of both components in couples undergoing
treatment as stressful as assisted reproductive technology.
Acknowledgements
This research was supported by funds provided by ANDROS Day Surgery Clinic, Reproductive Medicine Unit, Palermo, Italy.
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Vitae
Group analysis psychotherapist Dr. Zaira Donarelli
has been a member of the clinical and scientific staff of the ANDROS
Day Surgery Clinic in Palermo (Italy) since 2003. Her research and
publications involved the psychological aspects of infertility,
including couples’ dynamics, distress and quality of life. She is a
reviewer for the following journals: Human Reproduction, Journal of Reproductive and Infant Psychology, International Journal of Women's Health, International Journal of Fertility and Sterility, Reproductive BioMedicine Online and Sage Open.
© 2016 The Author(s). Published by Elsevier Ltd.