According to surveys, the mother\’s age has a significant impact on the disease. The incidence rate is only 1/1500 in women aged 25-29 years old, increases to 1/800 women aged 30-34 years old, and reaches 1/800 women aged 35-39 years old. /250, and over 40 years old can reach 1/100-1/50. So, how should older women have a healthy pregnancy? Magic weapon 1 – Keep in good shape 1. If you plan to have a child, it is best to get pregnant as soon as possible 2. Actively treat some physical diseases