Between 8 and 10 weeks, the fetus begins small, random movements, though they are too slight to be felt yet. The fetal heart beat can be detected electronically. The doctor can often tell you if the fetus is a boy or a girl by special tests. The fetus is able to swallow, and the kidneys are able to make urine. A doctor may be able to tell you if it's a boy or a girl by special tests.
Blood begins to form in the bone marrow.
The head is erect and the legs are developed. The fetus can kick, swallow, and sleep. The ears stick out from the head. The fetus has been moving for several weeks. Now the woman begins to feel these movements.