3D Model of Human Fetal Development (Week 15)

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The dedicated 3D model depicts the human fetus at week 15, a period of rapid growth in which the lower limbs begin to catch up with the upper limbs and body proportions become more balanced. It highlights the progressive ossification of the skeleton, which makes the bones increasingly visible on ultrasound, and the appearance of fine lanugo hair on the thin, translucent skin. This week opens the window for second-trimester maternal serum screening and amniocentesis, making the model directly relevant for teaching prenatal diagnostic timelines.

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