The good news? Young folks who have used fertility awareness or withdrawal (a.k.a. pulling out) for birth control have a better idea of when in a woman’s cycle she’s most fertile compared to folks who have never used those methods. The bad news? That’s not sayin’ much.
A Research Brief from Child Trends used data from the National Survey of Reproductive and Contraceptive Knowledge to look at the fertility knowledge of 1,800 unmarried 18-29-year-old men and women in the U.S. The survey asked participants “During a woman’s monthly cycle, are there certain days when she is more likely to become pregnant if she has sex?” If participants answered “yes”—and 87% did—they were then asked “For most women, is this time: a) just before her period begins; b) during her period; c) right after her period has ended; or d) halfway between two periods?”
The correct answer for most* women is d), halfway between two periods. Unfortunately, only one-third of the folks surveyed knew that. Yep—that means two-thirds didn’t.
Knowing the basics about fertility is useful for anyone who has had, is having, or will someday have sex—not just for folks who use fertility awareness (or withdrawal) for birth control. Granted, if you’re already on a hormonal method you can’t actually track fertility since the hormones inhibit the natural cycle, but it’s still a good idea to understand how it all works.
The how-to section of our fertility awareness method details page has short explanations of the different ways women can track their fertility and our Provider Perspective on skipping periods has a good rundown of how hormonal birth control affects your cycle. Learn something new, then tell a friend!
*Note: We say “most women” because it might not be the case for women with irregular periods. The “halfway” estimate also fails to take into account the fact that sperm can survive for up to 5 days in a woman’s reproductive tract.
Originally published on bedsider.org
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