Older first-time mothers are also more likely to live longer

"The average age of a woman giving birth for the first time has risen dramatically in the United States over the past 40 years, driven by factors like education or career. A new study by researchers at University of California San Diego School of Medicine found that women choosing to become first-time mothers later in life may increase their chances of living into their 90s.

The study, published online November 17 in American Journal of Public Health, is the first to look at age at first childbirth in relation to longevity. The researchers found an association between a woman's age at childbirth and parity (the number of times a woman has been pregnant) with survival to age 90.

"We found that women who had their first child at age 25 or older were more likely to live to age 90," said Aladdin Shadyab, PhD, lead author of the study with the Department of Family Medicine and Public Health at UC San Diego School of Medicine. "The findings indicate that women with two to four term pregnancies compared with a single term pregnancy were also more likely to live at least nine decades..."

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