• Nutrition

38th Week of Pregnancy

Embryo Development

How Your Healthcare Professional Knows Labour Is Coming

Baby's Growth and Development When You're 38 Weeks Pregnant

During the 38th week of pregnancy, your baby’s systems and functions continue to increase. These include:

  • Your baby’s organ functions refine when you are 38 weeks pregnant.
  • Your baby’s nervous system functions increase.
  • Your baby’s brain helps them refine breathing, improve digestion, regulate their heart rate, and prepare for eating during the 38th week of pregnancy.
  • Your baby might pass solid waste, called meconium, prior to delivery. If your water breaks or leaks and it is greenish-brown in colour, this might indicate meconium spotting in your amniotic fluid. Call your doctor right away if this happens.
  • Your baby has reached what will likely be their birth length.

Your Changing Body When You're 38 Weeks Pregnant

A pregnant lady sitting on a couch reading

Sometime between the 38th and 40th weeks of pregnancy, your body reaches its desired pregnant state.

  • Your uterus stretches from the pubic area all the way to the rib cage.
  • You experience engagement (also known as lightening). This means baby starts moving down into your pelvis area.
  • Gotta go? As your baby’s head settles into your pelvis, you feel added pressure on your bladder. This might lead to even more frequent urination.
  • Due to back pain, you might have a hard time finding a comfortable position to sleep, sit, or even stand for very long.
  • You might try to take your mind off these discomforts by:
    • Reading a book
    • Spending time with a friend
    • Visiting with family
    • Practicing relaxation techniques learned in childbirth classes
  • Is it really labour? You might experience some or all of these symptoms as labour begins:
    • Cervical changes, including thinning (effacement), softening, and opening (dilation) of the cervix
    • Water breaking (though the percentage of women whose water breaks ‘on its own’ is small)
    • Diarrhoea
    • Nausea
    • Regularly spaced uterine contractions that do not stop

Wellness and Nutrition When You're 38 Weeks Pregnant

A pregnant lady kneeling forward

While there is no perfect formula for determining when labour will start, your Healthcare Professional can measure how close you are at your weekly appointments. These measurements and observations include:

  • Presenting or your baby's presentation. This describes the part of your baby's body that is farthest down in your pelvis. Ideally, this is your baby's head.
  • Station. This refers to how far your baby's head has moved into your pelvic cavity. Each station is 1 centimetre.
    • Your baby, high in your pelvic cavity, begins at -5 station.
    • Your baby at 0 station is midway through the pelvis and is engaged in your pelvis. Your baby will probably be at 0 station at the beginning of labour if this is your first pregnancy.
    • Once actual labour begins your baby's head continues through the pelvis to 1, 2, and 3 stations.
    • At 5 station, your baby's head is crowning (appearing) during birth.
  • Dilated or dilation. This refers to how much your cervix has opened. It is measured in centimetres. Some women begin to dilate several weeks before labour. At 10 centimetres, you are ready to start pushing out your baby.
  • Effaced or effacement. This refers to how much your cervix has thinned in preparation for birth. This is often measured by percentage. If this is your first pregnancy, effacement usually begins before dilation. At 100% effaced, you are ready to deliver your baby.

Exercises to Help Prepare for the Ultimate Workout

Strengthening the muscles you might use during labour right now can leave you with more flexibility and options for labour positions when the big day arrives. Try tailor sitting, Kegels, and the Pelvic Tilt.

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