Early in pregnancy, you can go to the hospital for blood tests, ultrasound, and early Down’s syndrome screening to determine whether the baby is healthy or not, not necessarily through the presence or absence of pregnancy reflexes to determine. 1. blood test: when you know that you are pregnant, you can go to the hospital for a pregnancy test, you need to take blood tests on pregnant women, the checklist will show the value of HCG and progesterone, if the value is within the normal range, it means that the development of the fetus is normal, if the value is too low, it may have abnormalities. 2. Ultrasound: Early pregnancy ultrasound to see if the fetal heartbeat is normal and to determine whether the baby is alive. 3. Early Down’s syndrome screening: the test is a screening program during pregnancy, usually conducted around 11 to 14 weeks of pregnancy, through blood sampling and NT screening to assess the genetic risk of the fetus, if normal, the baby is relatively healthy. Pregnant women are advised to go to the hospital for regular checkups in order to understand the development of the fetus, and to pay attention to a reasonable diet, nutrition and rest.