The value of human chorionic gonadotropin in 7 weeks of pregnancy is between 15000-200000mIU/ml, the value may not be exactly the same for each person, as long as it is within this range, it is normal. Human chorionic gonadotropin will reach its highest level in 6-8 weeks of pregnancy and gradually decrease after 8 weeks, it is better to have regular blood test to see the situation of human chorionic gonadotropin, which can determine whether the fetus is developing normally. If the chorionic gonadotropin is low in the 7th week of pregnancy through blood test, it may be due to late conception caused by irregular menstruation, or it may be due to abnormal fetal development, miscarriage precursors, etc. It is better to have further examination to determine the fetal development. If the fetal development is normal and there is an aura of miscarriage, you need to take fetal preservation drugs in time, you can inject progesterone and have regular ultrasound examinations to determine whether the fetal development is normal.