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Your Developing Baby, Week by Week

Your baby begins as a tiny cluster of cells, but during the nine-month process of pregnancy she becomes an amazing baby with facial features, a beating heart and kicking legs. Find out what's happening with baby's development week by week.
week 9 Week 9

Even though you still have to wait another eight weeks to find out if your new addition will be a boy or a girl, this week, your baby gets the goods she'll need to, well, make her own baby one day. That's right -- reproductive organs are beginning to form now, along with some other key organs, like the pancreas and gallbladder. At this point your baby has doubled in size and her head, which is about half the length of her entire body, is tucked down toward her chest. Her tiny fingers are growing longer, and the ends are slightly enlarged right now -- this is where those unique fingerprints will ultimately form.