Week 35 of Your Pregnancy

A look at your body, your baby, and more

Welcome to week 35 of your pregnancy. If all remains on schedule, there are a mere five weeks remaining until you meet your new baby. While a bulk of his or her development is already done, your little one more than puts these final weeks to good use.

week 35 pregnancy highlights
Illustration by Verywell 

Your Trimester: Third trimester

Weeks to Go: 5

You This Week

At this point in your pregnancy, you’ve likely gained between 24 and 29 pounds. That ever-growing uterus of yours is now about 1,000 times larger than it was before pregnancy. At week 35, the top of your uterus sits about 6 inches higher than your belly button. Of course, it won’t stay up there forever. Your uterus will return to its pre-pregnancy size and position by about six weeks postpartum.

Much of your pregnancy symptoms are holding strong, and now, a new one might crop up: headaches. While they can occur at any point in your pregnancy, they’re most common in both the first and the last trimester. While early-pregnancy headaches often occur thanks to an uptick in blood volume and hormones, later-in-pregnancy headaches are more often due to worsening posture, sleep issues, and stress. In some cases, preeclampsia may be to blame.

Your Baby This Week

It’s often assumed that by this stage of pregnancy, babies have essentially completed development. That’s untrue. While the majority of baby’s growth is finished by week 35, your baby-to-be’s lungs, brain, and liver are among the last organs to fully mature. In fact, baby’s brain grows by a third between week 35 and week 39 of pregnancy.

At the same time, your baby is entering a brisk period of weight gain, putting on roughly 8 to 12 ounces each week. With every ounce, more fat develops beneath baby’s skin, which is needed to keep him or her warm post-birth.

By the end of the week, your baby will measure roughly 17 to 18 inches long, and he or she will weigh between 5½ to 6 pounds.

At Your Doctor’s Office

If your healthcare provider did not screen you for group B strep (GBS) last week, he or she will do it this week or next. (GBS testing usually occurs between 35 and 37 weeks.) For this test, your physician or midwife will swab your vagina and rectum and send the samples to a lab for testing. If the results come back positive, you will be treated with intravenous antibiotics during your labor and delivery. With this treatment, the risk of your baby contracting the infection drops from one in 200 to one in 4,000.

You likely already received your Tdap (tetanus, diphtheria, and acellular pertussis, or whooping cough) vaccine about eight weeks ago. But if you haven’t, you need to get it this week or next. Receiving this vaccination between week 27 and week 36 maximizes your antibody response and the antibodies transferred to your baby.

Special Considerations

If you’ve been diagnosed with placenta previa—when the placenta sits low in your uterus, covering the cervix—there’s a good chance that the issue may have resolved on its own by this week. In fact, only 1.6 percent of women with placenta previa continue to have the problem by mid-third trimester, according to a report in the Journal of Ultrasound in Medicine.

However, if your placenta is currently fully or partially covering your cervix, you will very likely need to deliver your baby early by Cesarean section. The reason: When your cervix starts to efface (thin) and dilate (open) during labor, the blood vessels that connect your placenta to your uterus can tear, causing severe hemorrhaging that puts you and your baby in danger.

Upcoming Doctor’s Visits

You’ve been seeing your healthcare provider every two weeks for a while now, but it’s time to shake it up once again. After week 36, you will see your physician or midwife each week.

Taking Care

If third-trimester headaches are plaguing you right now, there are things you can do to feel better:

  • Use a warm or cold compress. Place a warm compress near your eyes and nose for a sinus headache, or wrap an ice pack in a towel and place it at the base of your neck to help relieve a tension headache.
  • Schedule a prenatal massageThis can help relieve headache-causing tension in your neck and shoulders.
  • Keep blood sugar stable. Eating small but frequent meals throughout the day can help you accomplish this.
  • Practice good posture. Try to always tilt your pelvis forward to prevent your lower back from shifting further that way. At the same time, contract your abs and rear so those muscles can become a natural corset.
  • Maintain a regular sleep schedule. And, when on your side in bed, place a pillow between your knees. This better distributes body weight, helping to relieve headache-causing tension (and other discomforts).
  • Avoid food triggers. Chocolate, yogurt, aged cheese, peanuts, yeasty bread, cured meats, and sour cream can all kickstart headaches.
  • Ask about acetaminophen. While pain relievers like aspirin and Advil (ibuprofen) are not recommended for most pregnant women, Tylenol (acetaminophen) may be OK. Always consult your healthcare provider prior to taking anything. And remember: All medication should be used sparingly.

    For Partners

    If you’ve got a dog at home, you’ll need to prepare him or her for your new arrival. To help ease any anxiety your pet may feel—and to create a safe environment for baby—try these suggestions:

    • Call the vet. Make sure your pet is up-to-date on all of his or her vaccinations.
    • Use baby products now. Give your dog the chance to become familiar with baby smells before baby arrives. Use the baby’s lotion, cream, and shampoo yourself.
    • Play baby sounds. As much as possible each day, play realistic baby coos and cries for 10- to 15-minute intervals, suggests The American Society for the Prevention of Cruelty to Animals (ASPCA); a quick mobile app search can help you find what you’re looking for. While on, offer your dog snuggles, pats, and treats. Once you turn off the sounds, ignore your pet for a bit. This can help condition your dog to look forward to baby sounds, instead of being scared of them.
    • Try a blanket. After a few hours, your baby’s swaddle blanket will hold onto his or her scent. Take that blanket home for your pet to sniff prior to your baby leaving the hospital.
    • Do a false entry. When returning home after baby’s birth, have someone else enter the house first. This way, your dog can have a minute or two of over-excitement before you and the rest of your newly expanded family enter, suggests the ASPCA.

      Verywell Checklist

      • Continue taking prenatal vitamins.
      • Continue drinking about eight to 12 glasses of water a day.
      • Continue doing your Kegel exercises daily.
      • Continue doing your daily perineal massages.
      • If you have one, take steps to get your dog ready for baby.

      Last Week: Week 34

      Coming Up: Week 36

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