1: The spontaneous abortion rate is three times that of school-age women.
2. The possibility of infertility is 2-3 times that of women of school age.
3. Pregnant women over 35 years old are prone to pregnancy-induced hypertension syndrome in the third trimester of pregnancy, which leads to intrauterine growth retardation, and the incidence of stillbirth, stillbirth, dystocia, perinatal mortality and infection rate also increase. According to statistics, the incidence of pregnancy-induced hypertension syndrome in elderly primiparas is about five times that of young primiparas.
4. According to relevant statistics, the birth defect rate of children is 5.93% if the mother is less than 30 years old, and 7.7 1% if the mother is older than 30 years old, and the defect rate is higher if the mother is older than 35 years old.
5. Recent epidemiological survey data show that the incidence of breast cancer in women who have given birth for the first time over 35 years old is much higher than that in women who have given birth for the first time before 30 years old, and the older they are, the higher the incidence of breast cancer is.