It IS possible, especially if she ovulates on a short cycle. It is however most likely that she will not, but it does happen. I have enclosed several links and information. The younger a girl is the more likely her ovulations cycle is harder to predict.
Remember safe sex EVERY time is the only way other than abstinence.
2006-11-21 21:15:38
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answer #1
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answered by Proud to be APBT 5
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very very very unlikely
The fertile window
The length of the follicular phase — and consequently the length of the menstrual cycle — may vary widely. The luteal phase, however, almost always takes the same number of days. Some women have a luteal phase of 10 days, others of 16 days (the average is 14 days), but for each individual woman, this length will remain constant. Sperm survive inside a woman for 3 days on average, with survival time up to five days considered normal. A pregnancy resulting from sperm life of eight days has been documented.[6][7][8] The most fertile period (the time with the highest likelihood of sexual intercourse leading to pregnancy) covers the time from some 5 days before ovulation until 1-2 days after ovulation. In an average 28 day cycle with a 14-day luteal phase, this corresponds to the second and the beginning of the third week of the cycle. Fertility awareness methods of birth control attempt to determine the precise time of ovulation in order to find the relatively fertile and the relatively infertile days in the cycle.
People who have heard about the menstrual cycle and ovulation may commonly and mistakenly assume, for contraceptive purposes, that menstrual cycles always take a regular 28 days, and that ovulation always occurs 14 days after beginning of the menses. This assumption may lead to unintended pregnancies. Note too that not every bleeding event counts as a menstruation, and this can mislead people in their calculation of the fertile window.
2006-11-22 05:02:54
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answer #2
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answered by Thats It I'm Done 3
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There is not a good chance at all that you will make your gf pregnant if she has sex with you on the first day of her period they say you should avoid sex all
together when a women has her period
2006-11-22 07:12:14
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answer #3
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answered by Foxy lady 3
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people try avoiding having sex on the first day and any day of periods, because it's painful and could cause infection. And i don't think you have a chance.
2006-11-22 07:00:28
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answer #4
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answered by Blue R 3
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Sorry... no chace of getting her pregnant when you do it on her first day. If you want to get her pregnant, have sex during ovulation week which is 14 days after 1st day of menstruation. Ex. 1st day of menstruation - Nov. 1
Ovulation week - Nov. 11 to Nov. 15
2006-11-22 05:40:43
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answer #5
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answered by swt_kimchi 2
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according to my grandma,there's no possibility that a woman that having a sex to her first day of period get preg.
2006-11-22 05:41:25
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answer #6
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answered by sweet_angle 1
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very high so wrap that rascal or have a baby either way good luck its always fun trying
2006-11-22 08:15:37
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answer #7
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answered by tommy e 1
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if she already have her first day period i don't think she can get pregnant...there is no way...that's why gurls have their period....if they don't get the you know that goes inside of it there's no way she's gonna get pregnant..know what i'm saying
2006-11-22 05:04:17
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answer #8
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answered by jemay 2
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0% ops never say never when it comes to pregnancy
2006-11-22 05:03:16
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answer #9
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answered by Anonymous
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