Pregnant women in their fourth month of pregnancy should undergo the analysis of the results of the first maternity test, routine physical examination and Down’s syndrome screening.
1. Analysis of the results of the first maternity test: used to observe whether the changes in the pregnant woman’s body after the first maternity test are within the normal range.
2. Routine Physical Examination: To check the blood pressure and weight of the pregnant woman, and to assess whether her weight gain is reasonable. Measurement of uterine fundal height, abdominal circumference and fetal heart rate are also required to assess whether the fetal weight gain is reasonable.
3. Down’s syndrome screening: It is a prenatal screening for Down’s syndrome, and pregnant women are required to take a blood test on an empty stomach. The Down’s syndrome screening tests determine the risk of congenital stupidity and neural tube defects in the fetus by detecting the concentrations of alpha-fetoprotein, chorionic gonadotropin and free estriol in the serum of the pregnant woman, and combining with her age, week of gestation and other physical conditions.
A number of tests are required at four months of pregnancy. Pregnant women are advised to go to the hospital for prenatal checkups on time to avoid avoid avoiding medical treatment, which may lead to adverse consequences.