The early weeks of pregnancy are fragile—and confusing. Here, the answers to your questions.
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Your baby weighs about two pounds and is about 14 to 15 inches long, about the size of a small pot roast.
If your baby were born now, he would have an excellent chance (85 percent) of surviving. He still isn't fully formed and would probably not be able to breath by himself. He would need to stay in an incubator to keep his body temperature regulated, and he would have a weak liver and immune system. (Fact: Babies have more taste buds at birth than they will have later in life. Newborns can sniff out and tell the difference between their mother's milk and someone else's.)
The weight of your baby is putting pressure on your back, which can cause shooting pains (sciatica) in your lower back and legs. Lifting, bending, and walking can make the pain worse. Warm baths, ice packs, and changing positions may help.
The volume of your amniotic fluid is reduced by about half. With less cushioning blocking the view, you'll be able to see bony knees and elbows poking out of your stomach when the baby kicks and turns.
As you grow, you may start to see stretch marks on your breasts and abdomen. You may also have a hard time bending over and tying your shoes. Your heart rate may have increased, causing you to feel flush and look winded with less exertion.
Stretch Marks Happen
Despite how foreign they can look on your body, stretch marks (or striae) are a normal part of pregnancy: Half of all moms-to-be can expect to find these rippled stripes on their skin. What causes them.
Things to think about this week
You may be distressed to see the numbers on the scale creep (OK, jump) up: From here on out, you'll probably be gaining about 1 pound a week. This still only translates to about 300 extra calories a day, though. Make the most of them with these simple recipes for nutritious small bites.