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3 weeks pregnant
Amniotic fluid is beginning to collect around your ball of cells in the cavity that will become the amniotic sac. Your baby-in-the-making is just a tiny ball consisting of several hundred cells that are multiplying madly.HCG is the hormone that turns a pregnancy test positive; by the end of this week, you may be able to take one and get a positive result!
http://www.babycenter.com/6_your-pregnancy-3-weeks_1049.bc -
7 weeks pregnant
Hands and feet are emerging from developing arms and legs.Your baby is still considered an embryo and has something of a small tail, which is an extension of her tailbone. Your baby has doubled in size since last week and now measures half an inch long.
http://www.babycenter.com/6_your-pregnancy-7-weeks_1096.bc -
11 weeks pregnant
Your baby, just over 1 1/2 inches long and about the size of a fig, is now almost fully formed.She's already busy kicking and stretching, and her tiny movements are so effortless they look like water ballet. Her hands will soon open and close into fists, tiny tooth buds are beginning to appear under her gums, and some of her bones are beginning to harden.
http://www.babycenter.com/6_your-pregnancy-11-weeks_1100.bc -
14 weeks pregnant
Your baby can now squint, frown, grimace, pee, and possibly suck his thumb! Your baby's stretching out. From head to bottom, he measures 3 1/2 inches — about the size of a lemon — and he weighs 1 1/2 ounces. By the end of this week, his arms will have grown to a length that's in proportion to the rest of his body.
http://www.babycenter.com/6_your-pregnancy-14-weeks_1103.bc -
18 weeks pregnant
Head to rump, your baby is about 5 1/2 inches long (about the length of a bell pepper) and he weighs almost 7 ounces. He's busy flexing his arms and legs.His blood vessels are visible through his thin skin, and his ears are now in their final position, although they're still standing out from his head a bit.If you're having a girl, her uterus and fallopian tubes are formed and in place. If you're having a boy, his genitals are visible.
http://www.babycenter.com/6_your-pregnancy-18-weeks_1107.bc -
22 weeks pregnant
At 11 inches (the length of a spaghetti squash) and almost 1 pound, your baby is starting to look like a miniature newborn. His lips, eyelids, and eyebrows are becoming more distinct, and he's even developing tiny tooth buds beneath his gums. His eyes have formed, but his irises (the colored part of the eye) still lack pigment.
http://www.babycenter.com/6_your-pregnancy-22-weeks_1111.bc -
26 weeks pregnant
The network of nerves in your baby's ears is better developed and more sensitive than before. He may now be able to hear both your voice and your partner's as you chat with each other. He's inhaling and exhaling small amounts of amniotic fluid, which is essential for the development of his lungs. And he's continuing to put on baby fat. He now weighs about a pound and two-thirds and measures 14 inches.
http://www.babycenter.com/6_your-pregnancy-26-weeks_1115.bc -
31 weeks pregnant
This week, your baby measures over 16 inches long. He weighs about 3.3 pounds. He can turn his head from side to side, and his arms, legs, and body are beginning to plump out as needed fat accumulates underneath his skin. He's probably moving a lot, too, so you may have trouble sleeping because your baby's kicks and somersaults keep you up.
http://www.babycenter.com/6_your-pregnancy-31-weeks_1120.bc -
33 weeks pregnant
This week your baby weighs a little over 4 pounds, and has passed the 17-inch mark. He's rapidly losing that wrinkled, alien look and his skeleton is hardening. These bones don't entirely fuse until early adulthood, so they can grow as his brain and other tissue expands during infancy and childhood.
http://www.babycenter.com/6_your-pregnancy-33-weeks_1122.bc -
38 weeks pregnant
Your baby has really plumped up. She weighs about 6.8 pounds and she's over 19 1/2 inches long. She has a firm grasp, which you'll soon be able to test when you hold her hand for the first time! Her organs have matured and are ready for life outside the womb.
http://www.babycenter.com/6_your-pregnancy-38-weeks_1127.bc
