You’ve probably just run into early pregnancy’s least welcome companion ... Check out other MFMers' bumps in our 5 week bump gallery. Did you know? Your baby's now the size of... a sugar sprinkle This ...

you'll most likely be 4 or 5 weeks along. There are 40 weeks in a pregnancy – though you're just as likely to deliver your baby a few weeks before or after that. Each trimester is about 13 weeks ...