Do you have to take a blood test every time for prenatal check-ups?

Patient's question:

Is it necessary to have prenatal check-ups every month after getting pregnant? Do each of the check-ups require blood tests? And do I need to go on an empty stomach?

Doctor's answer:

Generally, it is very necessary to have prenatal check-ups every month after pregnancy. It doesn't mean that blood tests are required every month. Here, monthly prenatal check-ups mainly refer to thorough examinations through ultrasound and blood tests, with only 1 to 2 check-ups needed. Usually, the Down syndrome screening is conducted around the 15th week of pregnancy. In addition, relevant tests are performed for infectious disease markers or when comprehensive screening is required, as well as for the glucose tolerance test in the later stages of pregnancy.

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