The schedule of pregnancy check-ups after pregnancy, the first is in the early stages of pregnancy about 6 weeks, ultrasound examination to determine intrauterine pregnancy and exclude ectopic pregnancy. The second maternity checkup is at 3 months after pregnancy, you can go to the hospital for ultrasound NT examination, routine blood and urine examination, and also need to draw blood to check liver and kidney function, syphilis, HIV, hepatitis C, etc. It is better to draw blood on an empty stomach so as not to affect the examination results. The third checkup is in the 4th month, which is usually a routine checkup, such as routine blood and urine tests, ECG, ultrasound, fetal heart monitoring, and also Down’s syndrome screening to rule out the presence of Down’s syndrome. The fourth check-up is in the 6th month of pregnancy, routine blood and urine tests, 4D ultrasound. The fifth time in the seventh month, and then once a month, in the late pregnancy will be checked once every half month, usually the hospital will give a check-up booklet, which indicates the specific examination time and examination items, it is best to go to the hospital on time according to the time in the booklet for maternity check-up, can determine the fetal development.