yes by knowing the length of your menstrual cycle you count from the first day of your last period. It is highly unlikely to know the EXACT day you conceived, because a woman can ovulate anytime, even when menstruating. It is hard to tell when you are ovulating unless you have a fertility monitor. But you can get a round about conception date. Yes it is possible. Ovulation kits can give you 24 hour notice of when you are going to ovulate.
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