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Pregnant at beginning of period

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I am under 21 and I have had unprotected sex where he did not pull out. It's the start of my period. I've heard people and websites tell me you CANNOT get pregnant while on period, you CAN as normal, or it is unlikely.

Can I have some statistics, please!?
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replied August 25th, 2009
Especially eHealthy
You get pregnant when an egg meets a sperm after ovulation. Sperm can hang around inside your body for about 3 days (may be as long as 5 days but not very likely) to wait for the egg to be released. The egg is released (ovulation) between 12 to 16 days before your next period.

So if you do the math (sorry, no statistics, only logic and math) it is possible to get pregnant if you have a menstrual cycle of less than 21 days. These short cycles are not common at all.

When you have sex on your period, especially the heavy flow days, the sperm will have a tougher time getting into the uterus while menstrual debris flows out. The fertile cervical mucus that sustains the sperm on the way in and while waiting for ovulation is also not there because the cervix's entrance is open to allow the period flow to exit. The conditions at the top of the vagina is also not very likely to be sperm friendly.

Over many years I have only heard of one woman that claimed that she got pregnant from sex on her period, and my ears prick up when I read or hear about it as I think the risks are hugely overstated and largely based on a theoretical possibility. From what my research showed, the pill has a bigger failure rate than period sex. I suppose that while there is a risk, its got to be pointed out.
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replied August 26th, 2009
susan862003 wrote:
You get pregnant when an egg meets a sperm after ovulation. Sperm can hang around inside your body for about 3 days (may be as long as 5 days but not very likely) to wait for the egg to be released. The egg is released (ovulation) between 12 to 16 days before your next period.

So if you do the math (sorry, no statistics, only logic and math) it is possible to get pregnant if you have a menstrual cycle of less than 21 days. These short cycles are not common at all.

When you have sex on your period, especially the heavy flow days, the sperm will have a tougher time getting into the uterus while menstrual debris flows out. The fertile cervical mucus that sustains the sperm on the way in and while waiting for ovulation is also not there because the cervix's entrance is open to allow the period flow to exit. The conditions at the top of the vagina is also not very likely to be sperm friendly.

Over many years I have only heard of one woman that claimed that she got pregnant from sex on her period, and my ears prick up when I read or hear about it as I think the risks are hugely overstated and largely based on a theoretical possibility. From what my research showed, the pill has a bigger failure rate than period sex. I suppose that while there is a risk, its got to be pointed out.


My cycle is 21 days exactly, has been for about 4 years now. But I understand what you're saying, it sounds like it makes sence. Thank you!

Any other people to back this statement up?
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