Your Changing Body at Week 39
In pregnancy week 39, your body makes final preparations for your baby’s first meal.
- Your breasts reach their full size. They might enlarge again after delivery until your milk comes in.
- Your breasts might begin to leak a thick, yellowish milk. This is colostrum. It is packed with nutrients and antibodies to help give your baby a great start.
- You might want to speak with a lactation consultant or attend a breastfeeding class before your baby arrives to prepare for her first meal.
- You might gain little or no weight or even lose 0.5 to 1 kg toward the end of your pregnancy.
- You might begin contractions that stop and start. Contractions that continue signal labour.
Things to Think About
Experiencing Contractions?
When you’re 39 weeks pregnant, these could be the real thing! Learn more about contractions so you can distinguish the real ones from the false ones.3,4
- Contractions occur when the uterus tightens and relaxes.
- Some contractions are called Braxton-Hicks. These contractions are called false labour. They help your body practice for the real thing.
- In most women, uterine contractions get closer together, become more intense, and last longer as you approach childbirth.
- Sometimes contractions stop altogether.
- You can time the contractions when they start. Call your doctor when they occur closer together, intensify, or last longer.
- During a contraction, you feel pressure and pain in your lower back and abdomen.
- Your abdomen will tighten.
- Between contractions, your abdomen and uterus relax.
- Contractions help your baby travel through the vagina.
- Use a stopwatch or clock to time your contractions.
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