37 Weeks Pregnant

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Here's what's happening during Week 37 of your pregnancy:

37-weeks-pregnant

Your Growing Baby

Your baby is now 20-21 inches or so and weighs about 6-7 pounds; he looks very much like a newborn. In the vast majority of pregnancies, the fetus begins to move into delivery position.

Your baby is practicing her breathing, but she has increasingly less space to practice stretching and kicking. Your baby' intestines are also building up meconium, a greenish-black substance made of baby by-products such as dead cells, shed lanugo, and amniotic fluid. It'll become your little darling's first bowel movement, hopefully after she is out of the womb.

Your Growing Belly

This week, you may expel the cervical mucus plug, aka "bloody show," at any time. If you're worried about stretch marks, be patient. They'll begin to fade a few months after you deliver. Stretch marks are caused by broken collagen fibers under your skin's surface. The strength of your collagen is genetic, so if your mom got stretch marks, you probably will, too.

The hormone relaxin is causing all of the smooth muscle in your body to unclench. You'll feel like you have loose "rag-doll" joints. You're probably having Braxton-Hicks contractions, which you may or may not notice. How can you tell these contractions from the real thing? If you have to ask, they probably aren't. Real contractions grow progressively stronger, more intense, and more regular.

Tips & To-Do's

Contraction Action

Many contractions that occur after week 34 are random and irregular; these are known as Braxton-Hicks contractions. If contractions come regularly every 10 minutes or less rather than intermittently, you may be in preterm labor. Learn more >>


Things to think about this week

Pack your bag for the hospital (don't forget your phone book). At 36 or 37 weeks, your doctor will order a culture for Group B strep, an infection that can affect the baby. (If you do have Group B strep, you will likely be treated with antibiotics during labor.)

 

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Pregnancy Milestones:

Below are some of the most important milestones of your pregnancy. Click on any week to read more, or view our Week-by-Week Pregnancy page to see your pregnancy at-a-glance.

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Week 4: Positive test: You're pregnant! You may be starting to feel bloated, crampy, tired and moody, and experiencing sore breasts, nausea/vomiting and a frequent need to pee.  But don't worry if you're not—that's normal.  Read more about being 4 weeks pregnant.

 

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Week 8: Your doctor may look or listen for the baby's heartbeat with an ultrasound. Once you see or hear it, your miscarriage risk drops to about 2 percent. He'll also give you an official due date—though very few women actually deliver on that day.  Read more about being 8 weeks pregnant.

 

 

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Week 10: Your inch-long baby is now called a fetus. While the icky side effects of pregnancy may be starting to abate, your anxiety about having a healthy baby might be increasing.  Read more about being 10 weeks pregnant.

 

 

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Week 15: The "window of opportunity" for many important screening and diagnostic tests opens this week, should you decide to undergo them.  Read more about being 15 weeks pregnant.

 

 

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Week 16: Sometime between 16 and 22 weeks, you'll start to feel your baby move.  Read more about being 16 weeks pregnant.

 

 

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Week 29: The basketball-sized lump in your belly may be inhibiting shoe tying, leg shaving and the like. The fetus is increasingly sensitive to light and sound.  Read more about being 29 weeks pregnant.

 

 

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Week 36: The baby may drop lower into your pelvis in preparation for delivery. This should make it easier to breathe—yet your pee breaks will become ever more frequent.  Read more about being 36 weeks pregnant.

 

 

Click here to read more about every week of pregnancy on our Week-by-Week Pregnancy page.