I'm not ttc, just curious.... How long can sperm live inside of a woman? And when you're looking at the pregnancy calculator, it says a little fertile, fertile, and then very fertile. So let's say a woman is ttc, would it have to be on a day she was fertile, or would a day or so before work? (Sorry if I sound like a complete idiot! Daniel and I never really looked into this when we were ttc, we just had lots of
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