My Baby - Week by Week Pregnancy
Week 13 - Villi and Teeth
Your baby weighs about 1/2 ounce and is between 2.5 and 3 inches in length!
The digestive tract continues to develop as tiny villi (hairs) form inside the intestines to help move food, and the pancreas has begun producing insulin.
All 20 teeth buds have formed inside your baby's mouth; but, of course, the teeth aren't visible yet. (That would make predicting orthodontist bills way too easy!)
See a baby at 13 weeks: Ultrasound image at 13 Weeks
How is your body changing this week? Find out: My Pregnant Body Week 13
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