Highlights this week
Baby development at 37 weeks

- Your baby will have a newborn hearing screening shortly after birth
- Your baby's brain contains about 100 billion neurons at birth!
- Babies can smile (and frown) in the womb
- The brain, lungs, and liver will fully mature in the next few weeks
BabyCenter Zodiac
What will your baby's zodiac sign be? See what it says about their personality.Find your baby's zodiac
Uncover your nesting personality
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Find your pregnancy energy level
Powering through or powering down? No judgment, just vibes.Take the quiz
Discover your pregnancy style
Every mama’s journey is different — and so is her vibe! Discover your pregnancy persona.Take the quiz
Your body at 37 weeks pregnant

- You might feel Braxton Hicks contractions more often
- Despite cramped quarters, your baby should be as active as ever
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ACOG. 2024. How your fetus grows during pregnancy. American College of Obstetricians and Gynecologists. https://www.acog.org/womens-health/faqs/how-your-fetus-grows-during-pregnancyOpens a new window [Accessed August 2024]
Cleveland Clinic. 2024. Fetal Development: Stages of Growth. https://my.clevelandclinic.org/health/articles/7247-fetal-development-stages-of-growthOpens a new window [Accessed August 2024]
Mayo Clinic. 2022. Fetal development: The 3rd trimester. https://www.mayoclinic.org/healthy-lifestyle/pregnancy-week-by-week/in-depth/fetal-development/art-20045997Opens a new window [Accessed August 2024]
MedlinePlus (ADAM). 2023. Fetal development. https://medlineplus.gov/ency/article/002398.htmOpens a new window [Accessed August 2024]
Hadlock FP et al. 1991. In utero analysis of fetal growth: A sonographic weight standard. Radiology 181 (1). https://pubs.rsna.org/doi/10.1148/radiology.181.1.1887021Opens a new window [Accessed August 2024]
Hadlock FP et al. 1992. Fetal cross-rump length: Reevaluation of relation to menstrual age (5-18 weeks) with high-resolution real-time US. Radiology 182: 5-1-505. https://pubmed.ncbi.nlm.nih.gov/1732970/Opens a new window [Accessed August 2024]
Vintzileos AM et al. 1984. The ultrasound femur length as a predictor of fetal length. Obstetrics & Gynecology 64(6): 779-82. https://pubmed.ncbi.nlm.nih.gov/6390277/Opens a new window [Accessed August 2024]
Hadlock FP 1984. Estimating fetal age: Computer-assisted analysis of multiple fetal growth parameters. Radiology 152: 497-501. https://pubmed.ncbi.nlm.nih.gov/6739822/Opens a new window [Accessed August 2024]
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