NOW LIVE! Today's the day you meet your new best friend. You don’t have to leave Wolfy behind... In 'Pets & Sidekicks' your companions level up with you!

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Message: <blockquote data-quote="Anubis" data-source="post: 687639" data-attributes="member: 2358">I'm looking for a good normal system for pregnancies.  I realize there is a lot of such information here, but it is spread out over a whole lot of posts, and I think perhaps it would be best to gather all the information in one place.I'm not looking to start a game based around sex, but as pregnancy is a real-life factor, I would like to incorporate it into my basic campaign.I currently use a system that goes like this:Every character has a "birth rate" which is a fertility percentage so to speak.  Women also have listed what day of the month their period usually begins.  (This works in worlds with 28-day months easily enough.)  Of course the only time during a month a woman can actually get pregnant easily is the week immediately before her period, with lessened chances at different times of the month.As such, in the seven days before the period begins, any unprotected sex gets a d% roll against the average of the two fertility rates to determine if a woman is pregnant.  To check for twins and the like, roll more times against the previous roll.During the week of the period and two weeks before, the chance of pregnancy is reduced to 1/2 the normal number, and during the week after the period, the pregnancy chance is reduced to 1/10 the normal number.This system has worked so far, but is there any more accurate system out there that is compiled in one place?  (I saw some on here, but many of those actually had a modifier based on whether or not the couple was trying to have a child, which in reality is never a factor.)Anyone?</blockquote>

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