Although it's not as common as primary infertility, it's estimated that as many as one in 10 couples experience secondary infertility.
Understanding ovulation signs, symptoms & your cycle.
Jamie Oliver, who considered a vasectomy, is to be a father again. A fellow dad reflects on his own decision 11 years ago
I am over everyone asking me when we are going to have a baby, when we know it may not happen for us.
Beth and Jamie Wilson had already travelled an emotional IVF journey to have their first child.
What does a would-be father's waistline have to do with the health of his future children?
Was 43 too late to get pregnant? Celebrities like Halle Berry, Gwen Stefani and Geena Davis are doing it in their 40s. Couldn't I be next, I thought.
New research suggests that obese men have specific epigenetic markers on their sperm.
The Tsimane women of Bolivia are often revered as among the most fertile in the world - on average having 10 children in their lifetimes -- but some are even more fertile than others.
A US man has learnt that his unborn twin brother is actually the biological father of his own baby son.
"We were both joyous, but also a little freaked out. It seemed so incredibly random. We were beyond dumbfounded."
Two drugs that help suppress the immune system in organ transplant patients may have a future as the long-sought birth control "pill" for men, new research suggests.
Obese men are much more likely to be infertile than their healthier counterparts.