Older men not as fertile and have genetic changes

1. Dad's Age Raises Down Syndrome Risk, Too

   www.webmd.com/infertility-and.../news/.../dad-age-down-syndrome

   Jul 1, 2003 – Infertility & Reproduction Health Center ... A new study found that older fathers were responsible for up to 50% of the ... Older fathers over 40 had twice the rate of Down syndrome births compared with men 24 years old and ...
2. Age Raises Infertility Risk in Men, Too

   www.webmd.com/infertility.../age-raises-infertility-risk-in-men-too

   "Not only are men not aware of the impact their age has on infertility, they deny it. They walk around like they're 18 years old," Fisch tells WebMD. It's no wonder.
3. Secondary infertility: what is it? - BabyCenter Canada

   www.babycenter.ca/a563459/secondary-infertility-what-is-it

   When you have trouble conceiving again, it's called secondary infertility. ... Your partner, like all men, will become less fertile as he gets older. ..... This site is published by BabyCenter, L.L.C., which is responsible for its contents as further ...