It is necessary to check progesterone at 8 weeks of pregnancy. Pregnant women in the early stages of pregnancy need to pay attention to regular maternity checkups, the 1st maternity checkup is usually around 5~8 weeks of pregnancy, that is, it is necessary to determine the intrauterine pregnancy through ultrasound that is to improve the blood HCG and progesterone test to determine whether the pregnancy indicators are in the normal range. Early pregnancy because the embryo bed is not yet stable, if by the influence of various external factors or the body’s progesterone level secretion is insufficient, it is likely to cause preeclampsia or spontaneous abortion. Therefore, it is recommended that pregnant women in the early stages of pregnancy should pay attention to perfect blood HCG and progesterone examination, if the value of progesterone is relatively low can be given under the guidance of the doctor to supplement the progesterone and other fertility preservation treatment. Pregnant women in early pregnancy should pay attention to regular obstetric examination, find problems at any time at any time to deal with, if at any time there is abdominal pain or abnormal vaginal bleeding and so on, be sure to consult a doctor as soon as possible.