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Firstly, I have read most of the articles here and I didn't find the answer to this question anywhere, but sorry if it is somewhere and I missed it.
My question is: if a girl has a pregnancy risk, and gets her period two days later, can she still be sure she is not pregnant? I ask this because I read that once fertilized the egg takes five days to descend into the uterus, so if the girl's period only lasts three days (which is usually the case) is it possible that by the time the egg arrives into the uterus the period is already over, making pregnancy possible even though a period has occurred? I hope this isn't too unclear...
And secondly, I haven't been able to find whether sperm cells survive when transferred from one place to another (ex: from penis to bed, bed to hand hand to wherever..)
I realize fingering, masturbation etc.. do not pose a pregnancy risk but I'm just wondering.
Sorry for this long post, thank you so much for taking time to answer!
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