70 days or 10 weeks of pregnancy, 10 weeks of pregnancy, the fetus is about 4cm in length and weighs about 13g, all parts of the body have taken on a human shape and all organs have been formed. The 10th week of pregnancy is the early stage of pregnancy, the length of the fetus is about 4cm or so, the weight is about 13g or so, there may be differences between individuals, all the parts of the body have begun to take on a human shape, and all the organs have been formed. The head of the fetus takes up about half of the length of the entire body, the placenta is forming, ultrasound can be seen that the fetal sac is beginning to disappear, the placenta is beginning to appear, and the fetus is active in the amniotic fluid. The arms, legs, eyes, genitals and other organs of the fetus gradually appear in the 10th week of pregnancy, but they are still in the developmental stage and are not fully developed. The head is bigger in the whole body and takes up most of the body length. Cheeks, jaws, eyelids, and ears are developing, and the face looks like a human face. The tail has disappeared completely, and the eyes, fingers, and toes can be seen clearly in the ultrasound. The skin of the fetus at 10 weeks’ gestation is transparent, and the forming liver, ribs, subcutaneous blood vessels, heart, liver, stomach and intestines and other organs can be clearly seen through the skin. 10 weeks pregnant should pay more attention to rest, the fetus is gradually developing and stabilizing, usually try to avoid doing things that may affect the development of the fetus, such as strenuous exercise, overwork.