3D video baby update: Week 6

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Mom, I'm like a sesame seed (4mm)
I've just begun to exist as a recognizable organism. Though I'm tiny like a sesame seed, a lot is already happening inside me. My primitive heart consists of two tubes that have just started rhythmically contracting - these are my first heartbeats at about 100-160 beats per minute. My neural plate is closing, forming the neural tube - the foundation of my future spinal cord and brain. Limb buds appear as small protrusions. My vascular system is primitive but already transporting nutrients. I'm starting to produce my own blood cells in the yolk sac.

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.