At 35 years old, these women had a 29% chance. That rate remained steady until age 38, after which it fell more quickly. At 39, 25% of women were successful; at 40, 22%; at 41, 18%; and at 42, 15%.

How Age Affects Female Fertility A woman is born with all the eggs she will ever have. This is known as her ovarian reserve. With each menstrual cycle, the number of available eggs decreases, and ...

As women age, their fertility naturally declines, affecting both the quality and quantity of their eggs. While the late 20s are considered the peak years for conception, the ability to conceive ...

Fertility peaks between the late teens and 20s, when women have an 85% chance of conceiving within a year. By age 30, that percentage drops to 75. At 40, it's sunk to 44%.

But here’s the catch: fertility treatments aren’t a guarantee. “Success rates with IVF decline with age, and after the mid-40s many women opt to utilize egg donation,” Goldman said.

A new study by the University of St. Andrews and Edinburgh University shows that women lose about 90 percent of their ovarian eggs by the time they're age 30, making it much more difficult to have ...