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Member # 29272

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Okay, I heard that once your period gets over, your uterus takes a break for about a week, and you can't get pregnant. Is that true?

Thanks =)

Posts: 35 | From: Nebraska | Registered: Jun 2006  |  IP: Logged | Report this post to a Moderator
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Well, not really. Let me explain.

Your whole fertility cycle is about a lot more than your uterus. It has to do with a complex system of hormone production, with your ovaries, with your fallopian tubes, with your cervix and its discharges AND with your uterus. So, the idea that the "uterus" takes a break isn't a sensible idea, both because even if it did by itself, that wouldn't halt your whole cycle, and because it doesn't.

During every woman's fertility cycle, she has times when she is most feritle, times she is least fertile, and windows where she isn't likely to become pregnant at all. However, for most women, that week is NOT one of those infertile times. In fact, if we look at the most average fertilty cycle, with a 28-day cycle, most women will ovulate around day 14. If your period ends on day seven, given that sperm can surive in the vagina for a handful of days, that means you may have one to three days in there where it MIGHT not be possible, but several days in that week where unprotected sex then is very LIKELY to cause a pregnancy, especially with younger women who tend to be very fertile.

But that might not be the case, since every woman doesn't have the same cycle, nor ovulate at the same time. The only way to determine your most and least fertile times, once your periods have regulated, is to chart your fertility via your cervical mucus and basal temperatures every day, for at least several months before you start to have an idea about what your own cycle is like.

Regardless, natural family planning -- using charting as a means of birth control -- is generally ONLY advised for couples who a) are prepared for a pregnancy and b) also have been practicing safer sex for at least six months, including latex barriers and STI screenings.

(If that's not clear enough, just holler, and I'll spin it by you in a different way again. But this -- On the Rag: A Guide to Menstruation
-- and this -- Where DID I Come From? A Refresher Course in Human Reproduction -- might help make things clearer, too.

[ 09-12-2007, 10:47 PM: Message edited by: Heather ]

Heather Corinna, Executive Director & Founder, Scarleteen
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Posts: 68290 | From: An island near Seattle | Registered: May 2000  |  IP: Logged | Report this post to a Moderator
Member # 29272

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Thanks alot for clearing that up! =D
Posts: 35 | From: Nebraska | Registered: Jun 2006  |  IP: Logged | Report this post to a Moderator

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