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First trimester weeks

Congrats! During the first trimester, you’re getting used to the idea of being pregnant.

Second trimester weeks

As you enter this second trimester, your body will settle down to pregnancy.

Third trimester weeks

You've reached the third and final trimester and will be heavily pregnant by now.

Week 29 of Pregnancy

Use this third trimester to get organized before your baby is born.
You may feel a little bored and back-achy at this stage of pregnancy, but there are plenty of positive ways to take your mind off things. For example, you could start to make enquiries about breast-feeding classes, plan your maternity leave, and draw up shopping lists of baby essentials, such as diapers, a changing mat, onesies, bibs, and baby wipes, and perhaps buy a couple of items each week.

28 Weeks, 2 Days

82 days to go...

ultrasound of human fetus as 28 weeks and 2 days

Your baby today

This image shows a typical chin-on-the-chest position with an arm held up to the side of the face. A knee is just visible to the left of the image with a loop of umbilical cord above it. Your baby now is likely to be in a head down position but there's still time to change.

The coiled umbilical cord connects your baby to the placenta, his life-support system until birth.

Most umbilical cords finally grow to be about the same length as the baby (although there are exceptions), reaching a final length of 20-23.5 in (50-60 cm). The umbilical cord has up to 40 turns along its length and these turns are seven times more likely to twist to the left than the right. The coiling pattern was in place nine weeks after conception, with more coils at the baby's end than the placental end; this may be a response to your baby's movements. The cord contains three blood vessels: two arteries taking deoxygenated blood and waste from your baby to the placenta and one vein carrying oxygen-rich blood from the placenta to the baby. The cord diameter is usually less than 3/4 in (2 cm) and the blood vessels are embedded in and protected by a layer of jelly. The watery composition of the jelly, together with the cord's coiling pattern, prevents compression of the cord.

After the birth, your doctor will check the number of vessels in the cord since in 1 percent of singleton pregnancies the cord contains only one umbilical artery.

Ask A... Doctor

If my baby has a low birthweight, will he have health problems?

A low birthweight is less than 5 1/2 lb (2.5 kg) and although the majority of small babies thrive, some do have difficulties. Most low birthweight babies are small because they are premature. There are many ways you can reduce the risk of your baby being a low birthweight: eating adequate amounts of healthy food to gain the right amount of weight (see How much weight will you gain?), not smoking or drinking alcohol, reducing stress, and keeping all prenatal appointments so that your health-and your baby-can be monitored.

Focus On... Your body

Restless legs

Some pregnant women experience restless legs syndrome (RLS), whereby they have an irresistible urge to move their legs. It most commonly happens while resting, so can be very disruptive to sleep. The exact cause isn't known but it may be related to an imbalance of a brain chemical called dopamine. The level of dopamine can be affected by a lack of iron. Restless legs syndrome will pass once you're no longer pregnant. To minimize the effects of restless legs syndrome:

  • Ensure your diet includes an adequate intake of iron (see Iron-rich foods).
  • Taking steps to get a good night's sleep may help you fall asleep-and stay that way. Keep your bedroom cool, quiet, comfortable, and dark. Don't watch television, use a laptop, talk on the phone, or do any work in bed, and keep a consistent sleep schedule. Also, try doing something to challenge your brain before bed (a crossword puzzle, word jumble, or Sudoku puzzle). This may help ease your restless legs.

28 Weeks, 2 Days

82 days to go...

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