Scientists find new clues to why female fertility declines with age
09.01.2026
Scientists are making inroads in understanding one of the central mysteries of human reproduction: Why do women’s eggs deteriorate as they age? The broad strokes have been well-known - the ticking of a woman’s biological clock increases risk of miscarriage and infertility, often caused by eggs with the wrong number of chromosomes, the structures that carry DNA.Subscribe to The Post Most newsletter for the most important and interesting stories from The Washington Post. Researchers who presented