7 Weeks Pregnant

Your Baby's Development at Week 7 of Pregnancy

Seven weeks into your pregnancy, your baby is about a half an inch long, which is a little bigger than the top of a pencil eraser, and he or she weighs less than an aspirin tablet. During week seven of pregnancy there are changes in your baby's face, body, and limbs. Specific developments that occur during week 7 include the following:
  • The heart becomes completely formed
  • The limb buds are present; arms now resemble tiny paddles
  • The eyes appear as dark spots, and the eyelid folds are forming
  • The tongue begins to form
  • Permanent kidneys begin to form
  • The trunk of the body elongates and straightens
  • The pituitary gland is forming in the middle of the brain
  • Spleen and liver ducts are forming, and the intestines are elongating
  • The cerebral cortex (the part of the brain that directs motor activity and intellect) is now visible
  • The stomach and esophagus begin to form
  • The umbilical cord, which is the link between your baby and the placenta, is now clearly visible.
Pregnancy and Pain

Week by Week Pregnancy

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