Scientists are making inroads in understanding one of the central mysteries of human reproduction: Why do women’s eggs ...

When does a woman's fertility begin to decline? The answer, experts say, is a cruel irony: "When women are biologically most ready and able to have a baby, most women are not ready, emotionally, ...

Women’s fertility tends to decline starting in their mid-30s, which can make it harder to have kids in middle age. Now scientists have identified a mechanism that seems to accelerate aging of the ...