Despite the long lifespan American women now enjoy, their reproductive lifespan remains unchanged. In most women, a gradual decline in fertility begins in the late 20s and then drops off more sharply around age 35 and then again around 40.
Despite the long lifespan American women now enjoy, their reproductive lifespan remains unchanged. In most women, a gradual decline in fertility begins in the late 20s and then drops off more sharply around age 35 and then again around 40.
