For men, the key hormone testosterone triggers the development of the male reproductive organs during fetal development, ...

Ideally, you want to try to have children before “fertility aging” becomes a problem — that is, before age may affect your chance of conceiving or the well-being of your children.

This decline in fertility occurs more steeply after the age of 35 where she will have roughly 25,000 eggs in her ovaries. By the time she reaches menopause there will be just 1,000 eggs remaining.

Aug. 18 (UPI) -- The likelihood of a live pregnancy following fertility treatments declines when the potential father is over age 50, a study published Wednesday found.

In addition, men diagnosed before or when they were age 30 also had fewer pregnancies, 1.45 on average, than those diagnosed between ages 31 and 40 years, 1.73 on average, or the older men, 1.98 ...

Male sexual development, muscular mass, bone density, and general well-being are all influenced by testosterone, which has been shown to decline more quickly in males than is expected.

Male fertility declines with age, and risks to offspring increase. Here's what you need to know.

When it comes to fertility, the focus tends to fall on women and their (loudly ticking) biological clocks. Yet it’s not just women who have to take age into account when considering when to have ...

Conversations around fertility are often centered around women. Infertility is not just an issue occurring among females; males also experience infertility. A Baylor College of Medicine urologist ...

Male partners who vaped rather than smoked were associated with a drop in ultrasound-confirmed miscarriages from 36.3% to 12%, a roughly two-thirds relative reduction (p < 0.001).