The 3D visualization reveals the human fetus at week 20, the midpoint of pregnancy, when the fetus weighs about 300 g and its body is covered with lanugo and vernix caseosa. The model shows well-defined eyebrows, scalp hair, and limbs, while the fetus regularly swallows amniotic fluid and begins to accumulate meconium in the intestines. At this stage, most women can feel fetal movements, the uterine fundus typically reaches the level of the umbilicus, and the detailed anatomy scan is commonly performed.
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