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Week 6
If you could see into your uterus, you'd find an oversize head and dark spots where your baby's eyes and nostrils are starting to form. His emerging ears are marked by small depressions on the sides of the head, and his arms and legs by protruding buds. His heart is beating about 100 to 160 times a minute and blood is beginning to course through his body. The bud of tissue that will give rise to his lungs has appeared.
http://www.babycenter.com/6_your-pregnancy -
week 10
Your baby (now the size of a prune) has small indentations on his legs (soon to be knees and ankles!), and his tiny arms even have elbows that bend (how is that for magical?). Inside that little mouth, tiny buds of baby teeth are forming under the gums. His stomach and kidneys are kicking into gear, producing digestive juices and urine, and if it's a boy, his testes are making testosterone.
http://www.whattoexpect.com/pregnancy/week-by-week/week-10.aspx# -
week 12
The most dramatic development this week: reflexes. Your baby's fingers will soon begin to open and close, his toes will curl, his eye muscles will clench, and his mouth will make sucking movements.although you won't be able to feel it. His intestines, which have grown so fast that they protrude into the umbilical cord, will start to move into his abdominal cavity about now. http://www.babycenter.com/6_your-pregnancy-12-weeks_1101.bc -
Week 16
Your baby now weighs in at a whopping three to five ounces, and he's four to five inches in length. The bones that are now in place in his ears means he can probably hear your voice as you talk to your partner and pals and sing in the car. While he’s getting used to your voice, the tiny muscles in his body, especially the ones in his back, are gaining strength, so he can straighten out a little more. http://www.whattoexpect.com/pregnancy/week-by-week/week-16.aspx -
week 19
Your baby's sensory development is exploding! Her brain is designating specialized areas for smell, taste, hearing, vision, and touch. Some research suggests that she may be able to hear your voice now, so don't be shy about reading aloud, talking to her, or singing a happy tune if the mood strikes you.Your baby weighs about 8 1/2 ounces and measures 6 inches, head to bottom.http://www.babycenter.com/6_your-pregnancy-19-weeks_1108.bc -
Week 24
Your baby is about eight and a half inches long and weighs one and a half pounds, gaining steadily at a rate of six ounces per week. Much of that weight comes from accumulating baby fat, as well as from growing organs, bones, and muscle. Those little ears of hers are getting sharper and can hear very loud sounds, from a yapping dog to a jackhammer. Also by now, that fabulous face is almost fully formed.http://www.whattoexpect.com/pregnancy/week-by-week/week-24.aspx# -
week 28
By this week, your baby weighs two and a quarter pounds and measures 14.8 inches from the top of her head to her heels. She can blink her eyes, which now sport lashes. With her eyesight developing, she may be able to see the light that filters in through your womb. She's also developing billions of neurons in her brain and adding more body fat in preparation for life in the outside world.http://www.babycenter.com/6_your-pregnancy-28-weeks_1117.bc -
week 32
By now, your baby weighs 3.75 pounds and is about 16.7 inches long, taking up a lot of space in your uterus. You're gaining about a pound a week and roughly half of that goes right to your baby. In fact, she'll gain a third to half of her birth weight during the next 7 weeks as she fattens up for survival outside the womb. She now has toenails, fingernails, and real hair (or at least respectable peach fuzz). http://www.babycenter.com/6_your-pregnancy-32-weeks_1121.bc -
Week 34
What's new this week? Your baby is clocking in at five pounds and could be as tall as 20 inches by now, and the vernix (the white coating protecting your baby’s skin) is getting thicker. This week, a boy's testicles start making their way down from his abdomen to their final destination: his scrotum (look out below!). While about three to four percent of boys are born with undescended testicles.http://www.whattoexpect.com/pregnancy/week-by-week/week-34.aspx -
Week 38
this week the fetus is close to seven pounds and measuring 20 inches long. Fetal development is nearly complete as your baby tends to a few last-minute details like shedding the skin-protecting vernix and lanugo. He's also producing more surfactant, a substance that prevents the air sacs in his lungs from sticking to one another once he starts to breathe. he is also adding fat, and fine tuning his brain and nervous system.http://www.whattoexpect.com/pregnancy/week-by-week/week-38.aspx
