In addition to amniocentesis all maternity tests during pregnancy have a role in determining the health of the fetus to some extent. Pregnant women need regular maternity checkups during pregnancy, and there will be different checkups at different pregnancy weeks, all of which are designed to check the health of the pregnant woman and the fetus. Blood HCG and ultrasound in early pregnancy can observe the development of the embryo. Ultrasound examination of the thickness of the nuchal translucency can determine the risk of fetal malformation. Down’s syndrome screening, non-invasive DNA, and 4D ultrasound in mid-pregnancy can check for fetal malformations. Glucose tolerance test can check if a pregnant woman has gestational diabetes, and checking blood pressure can determine if a pregnant woman has gestational hypertension, and pregnant women’s gestational complications can also have an impact on the fetus. Electronic fetal heart monitoring can be performed in late pregnancy to determine whether the fetus has hypoxia in the uterus. Self-counting fetal movements during pregnancy can also be used to observe the fetus. Therefore, pregnant women should have regular checkups and count their own fetal movements to dynamically observe the condition of the fetus.