3D video baby update: Week 29

Reviewed by: HiMommy Expert Board

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5 min read

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Jun 23, 2025

Mommy, I'm like a small pumpkin (38.6cm, 1153 grams)

I'm starting to have less space in the uterus, so my movements become more spatially limited but stronger and more directed. The brain can now control breathing and partially body temperature - this is huge progress in developing autonomous life functions. Bones throughout the body harden and lengthen but remain flexible, especially in the skull. White blood cell production significantly increases, preparing my immune system for life outside the sterile uterine environment. My movements have their own rhythm - I'm more active in the evening and at night.

Remember mom, every child develops at their own pace and has their unique timeline. If you have any doubts about my development in your belly, consult with a doctor.