Patient's question:
I'm very scared when this happens. I often have lower abdominal pain and don't know how to solve it, so I came here to consult. Could you please tell me what a fetus looks like at five weeks of pregnancy?Doctor's answer:
At this stage, the fetus is still in the embryonic stage, and embryonic cells differentiate very rapidly, gradually forming the "three germ layers." Each layer of cells will eventually form different organs of the body. During this period, the basic tissues of the nervous system and circulatory system are the first to begin differentiating. The brain of the fetus forms the cerebral hemispheres and grows rapidly, with the initial brain vesicles forming. The heartbeat begins to appear. At this point, the small embryo is about 0.6 cm long, about the size of an apple seed, and looks very much like a "little seahorse."