Age and female fertility

Female fertility is influenced by age and can be a contributing fertility factor for women. Female fertility generally remains consistent from the late teens to the early thirties, but gradually decreases. After age 35, fertility falls rapidly. At age 45, women will fail to conceive in 50–80 percent of cases. Menopause, or the end of menstrual periods, generally occurs between the ages of 45 and 55, signaling the end of fertility. However, age-related infertility can occur before this. The connection between age and female fertility is often described as a woman's "biological clock".

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