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Your alreadyround tummy will continue to stretch until your uterus fills from your pubic bone to your rib cage, wow!Your first trimester lasts through week 12, so it's the first three months of your pregnancy Keep in mind that pregnancy lasts about 40 weeks, so you're pregnant for closer to 10 months than nine What You'll See You may notice that your pants fit a bit differently, but some women don't see any sort of baby bump during the first
