Jul 7, 2014 — For a long while doctors thought that an egg's age relative to others explained why older women are more likely to produce eggs with genetic abnormalities. But a study finds that's not really true.
May 1, 2014 — Scientists were able to make immature sperm cells. If they can make the sperm viable, researchers could help men who thought they'd never have kids. But the findings also raise ethical questions.
Jul 2, 2013 — The same genes that allow humans to sense sweet and umami flavors may play a key role in a man's reproductive fitness. Researchers found that inactivating these genes in mice can led to sterility of males.
Feb 11, 2013 — The rate at which American women are having babies fell again in 2011, continuing a decline that's been under way for years. Births to teenagers hit another low, while births to older women rose slightly.
Dec 24, 2012 — The only women who have gotten pregnant with an ovarian transplant are cancer patients at great risk of losing their fertility. But a handful of doctors are now doing the procedure for patients trying to beat their biological clocks.
Oct 19, 2012 — The American Society for Reproductive Medicine has concluded that freezing women's eggs to treat infertility should no longer be considered "experimental." The practice has long been controversial. Some critics worry the policy shift will encourage more women to turn to egg freezing to stop the biological clock.