Placenta hypoplasia in 12 weeks of pregnancy, no other symptoms can walk, if there are symptoms of abdominal pain and vaginal bleeding, can not walk, recommended bed rest. Placenta hypoplasia means that the placenta is attached to the lower part of the uterus, and the position of the placenta is less than 20 millimeters away from the inner cervical opening or covers the inner cervical opening. Pregnant women with placenta previa in the 12th week of pregnancy can’t exercise strenuously, if there is no vaginal bleeding, abdominal pain and other symptoms, you can walk appropriately. But you need to pay attention to the walking time should not be too long, so as not to cause painless vaginal bleeding or fetal preterm labor or abortion. If there are symptoms of abdominal pain and vaginal bleeding, you can’t take a walk, and bed rest is recommended, or even hospitalization is needed. If the pregnant woman has 12 weeks of placenta previa, it is recommended to go to the hospital for regular treatment under the guidance of the doctor.