Postpartum review blood draw whether need fasting, need to be based on the maternal examination program to decide, review blood sugar, thyroid function, etc. need fasting. 1. Fasting is required: During pregnancy, women with pregnancy complications, such as abnormal thyroid function, gestational diabetes, etc., these women need to be fasting to ensure the accuracy of the test results as much as possible, to avoid interference with the results of extraneous factors, the doctor can more accurately judge and analyze the postpartum recovery of the mother. 2. Do not need to fasting: postpartum review is usually carried out 42 days after delivery, for the ordinary pregnant women without any abnormalities, mainly to ultrasound, medical history and physical examination, generally there is no blood test program, in this case the mother does not need to fasting. Proper eating helps to stabilize blood sugar and maintain the normal metabolism of the mother. Whether fasting is needed for postpartum blood test, consult your doctor in advance and follow the doctor’s instructions.