Saturday, November 19, 2005

Our baby's development 34-38 weeks

Yes, yes I've been slack. Here is our baby's official development for the last few weeks so you can tell what is going on in my GIANT tummy:

34 weeks
Your baby now weighs about 4 3/4 pounds and is probably almost 18 inches long. Her fat layers — which she'll need to regulate her body temperature once she's born — are filling her out, making her rounder. Her central nervous system is still maturing and her lungs are well developed by now. If you've been nervous about going into preterm labor, you'll be happy to know that 99 percent of babies this age can survive outside the womb — and most have no major long-term problems related to prematurity.

35 weeks
Your baby's getting big. He weighs a tad over 5 pounds and is just over 18 inches long. Because it's so snug in your womb, he isn't likely to be doing somersaults anymore, but the number of times he kicks should remain about the same. His kidneys are fully developed now, and his liver can process some waste products. Most of his basic physical development is now complete — he'll spend the next few weeks putting on weight.

36 weeks
Your baby is still putting on the pounds — about an ounce a day. She now weighs almost 6 pounds and is a little less than 19 inches long. She's shedding most of the downy covering of hair that covered her body as well as the vernix caseosa, the creamy substance that covered and protected her skin during its submersion in amniotic fluid. Your baby swallows both of these substances, along with other secretions, which will stay in her bowels until birth. This blackish mixture, called meconium, will become her first bowel movement.At the end of this week, your baby will be considered full-term. (Babies between 37 and 42 weeks are considered full-term; a baby born before 37 weeks is pre-term and after 42 is post-term.) Most likely she's in a head-down position by now, which is optimal for a smooth delivery.

37 weeks
Congratulations! Your pregnancy is now considered full term — meaning your baby is developmentally ready to handle life outside the womb. (Babies born before 37 weeks are pre-term and those born after 42 weeks are post-term.) Your baby probably weighs a little over 6 pounds at this point and measures between 19 and 20 inches, head to heel.Many babies have a full head of hair at birth, with locks from 1/2 inch to 1 1/2 inches long. But don't be surprised if your baby's hair isn't the same color as yours. Dark-haired couples are sometimes thrown for a loop when their children are born blonds or redheads, and fair-haired couples have been surprised by Elvis look-alikes. And then, of course, some babies sport only peach fuzz.

38 weeks
Your baby has really fattened up. She likely weighs between 6 and 7 1/2 pounds now (boys tend to be slightly heavier than girls), and she's probably between 19 and 20 inches long. She has a firm grasp, which you'll soon be able to test with your pinky! Her organs are fully developed and in place, but her lungs and brain — though developed enough for her to function now — will continue to mature right through childhood.Wondering what color your baby's eyes will be? You may not be able to tell right away. If your baby is born with brown eyes, they'll likely stay brown. If she's born with steel gray or dark blue eyes, they may stay gray or blue or turn green, hazel, or brown by the time she's 9 months old. That's because a child's irises (the colored part of the eye) may gain more pigment in the months after she's born, but they won't get "lighter" or more blue. (Green, hazel, and brown eyes have more pigment than gray or blue eyes.)

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