Early pregnancy is generally referred to as one month or one and a half months of pregnancy. The entire pregnancy can be divided into three time periods: early pregnancy, mid-pregnancy, late pregnancy, pregnancy within 12 weeks belongs to the early stage of pregnancy, early early pregnancy is included in the early pregnancy stage. Early pregnancy is an important period of embryonic differentiation and formation, this period of time pregnant women should pay attention to supplement folic acid, can prevent fetal neural tube deformities, usually pay more attention to rest, try to avoid excessive physical labor, sexual intercourse, and so on. Early pregnancy can go to the hospital to do ultrasound examination to determine whether the intrauterine pregnancy, whether there is a yolk sac, fetal buds, fetal heart development, everything is normal then you can continue the pregnancy.