The blood test during pregnancy mainly contains progesterone, human chorionic gonadotropin, hemoglobin and other aspects, the details are as follows: 1. progesterone: the range of early progesterone is between 15-25nmol/L, if progesterone is lower than 17nmol/L, it is usually considered as low progesterone, you can improve the progesterone value by taking progesterone or progesterone injection to ensure normal fetal development; 2. human chorionic gonadotropin gonadotropin: after pregnancy will secrete serum human chorionic gonadotropin, the value is greater than 5mIU/ml generally indicates pregnancy; 3, hemoglobin: 115-150g/L is the normal range, below the normal value indicates that there are symptoms of anemia, you can supplement iron through iron dispersion tablets, iron succinate oral solution and other drugs; 4, platelets: (100-300) × 10^9/L is the normal range, low values may be Normal range, the value is too low may cause bleeding, daily life should pay attention to self-protection, avoid eating too hard, rough, containing bone scraps and thorny food, so as not to cause bleeding; 5, white blood cells: (4-10) × 10^9/L is the normal range, higher than the normal value may exist inflammation; 6, liver function: liver function mainly depends on transaminase and albumin, transaminase is generally less than 40U / L, albumin is about 40g/L. If transaminases continue to rise during pregnancy, you should be alert to viral hepatitis and other diseases; 7. thyroid stimulating hormone: thyroid stimulating hormone of about 2.5 μIU/ml in early pregnancy is normal.