3D video baby update: Week 9

Reviewed by: HiMommy Expert Board
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5 min read
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Jun 23, 2025
Mommy, I'm like a large cherry (23mm)
My brain produces about 250,000 new neurons per minute in a process called neurogenesis. This is an unimaginable pace of development! My first muscles begin contracting, causing spontaneous movements, though you can't feel this yet. Eyelids are now fully formed and cover the eyes. My first reflexes develop - I can already respond to gentle touch around the mouth, which is the foundation of the future sucking reflex. The stomach begins producing digestive juices, and intestines lengthen and start coiling. The heart pumps about one liter of blood daily through my developing organism.
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.