The dedicated 3D model depicts the human fetus at week 27, the final week of the second trimester, with eyes that can open and close, visible eyelashes, and a rapidly enlarging head that accommodates accelerated brain growth. It illustrates the developing retina and the emergence of regular sleep and wake cycles, alongside frequent movements and episodes of fetal hiccups. This transitional stage bridges mid-pregnancy and late gestation and helps demonstrate the changes that precede the third trimester, such as progressive fat accumulation.
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