Week by week sonogram photos of your baby's development. See what's going on in there while you're pregnant each week. (37 Photos)
FHC; Science Photo Library
Your baby is starting to sprout arms and legs and can even bend and flex these tiny limbs. The sac also needs to accommodate your baby’s developing intestines, which initially grow outside his body in the umbilical cord.
See what else is happening at 7 Weeks Pregnant.
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