The most dramatic development this week: reflexes. Your babies’ fingers will soon begin to open and close, their toes will curl, their eye muscles will clench, and their mouths will make sucking movements. In fact, if you prod your abdomen, your babies will squirm in response, although you won’t be able to feel it. Their intestines, which have grown so fast that they protrude into the umbilical cord, will start to move into their abdominal cavity about now, and their kidneys will begin excreting urine into the bladder.
Meanwhile, nerve cells are multiplying rapidly, and in your babies’ brains, synapses are forming furiously. Their faces look unquestionably human: the eyes have moved from the sides to the front of his head, and the ears are right where they should be. From crown to rump, your babies-to-be are just over 2 inches long (about the size of a plum) and weigh half an ounce each
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