The exact cost of a pregnancy blood test depends on whether the appropriate tests were done before the pregnancy. If the appropriate tests have been done, it is relatively inexpensive to have blood tests after pregnancy, if no tests have been done, the cost of blood tests will be around 1000-1200 RMB. It is necessary to check the blood routine, clotting time, blood type, hepatitis B and half, liver function, kidney function, thyroid function, eugenics five tests, HIV and syphilis screening, these tests are mainly to understand whether there are unfavorable diseases for pregnancy or whether there is infection with viruses that cause fetal malformation, in order to decide whether to continue the pregnancy, it is recommended to do the test when you are about 2 months pregnant.