Patient's question:
NoDoctor's answer:
At 12 weeks, the fetus has a crown-rump length of 6 cm and a weight of 12-20 grams. By the end of the 12th week, the fetus's body grows rapidly, measuring about 7-9 cm in length and weighing 21-22 grams. It has completely formed into a small human figure, but the head is large and round, accounting for half of the body's total length. At 12 weeks, the gender is distinct, the head and neck are well-defined, and stimulation can elicit sucking-like movements. The eyelids may also respond, and breathing can occur.