The risks of a 46-year-old pregnant woman may include an increase in the difficulty of labor, an increase in the risk of fetal disease, and an increase in the risk of pregnancy complications. 1. Difficulty in labor: with the increase in age, the adaptability of the pelvis of the pregnant woman will decline, ligaments, vaginal tissue elasticity will decline, coupled with the 46-year-old mother’s physical strength will decline, uterine contractions and other forces weakened, easy to increase the risk of obstructed labor. 2. Increase in the chance of fetal disease: as pregnant women age, ovarian function declines, and the quality of eggs also declines, they are prone to chromosomal mutations, which can easily lead to an increase in the rate of fetal malformations and miscarriages during pregnancy. 3. The risk of pregnancy complications will increase: older women are more likely to suffer from gestational hypertension, diabetes and other underlying diseases. High-risk pregnancy, prenatal genetic counseling and prenatal diagnosis is needed, senior pregnant women should go to regular hospitals for maternity checkups, under the guidance of the doctor to detect adverse factors in time and actively deal with them.