Advanced maternal age is defined as a woman who is older than 35 years old. The best time for a woman to have a baby is between the ages of 23 and 30, and the next best age for a woman to have a baby is between the ages of 30 and 35. If a woman conceives before the age of 35, her reproductive system is mature, her energy and strength are strong, and she is less likely to have hypertension, hyperlipidemia or hyperglycemia during pregnancy; before the age of 35, the quality of her eggs is higher, and she is less likely to have a miscarriage or chromosomal abnormality. After this age, women’s health declines and they are more likely to develop hyperemesis or gestational diabetes, and the quality of their eggs decreases, and they are more likely to have chromosomal abnormalities after conception. It is recommended that pregnant women of advanced age should have pregnancy tests on time, pay attention to appropriate activities and deal with any abnormalities in a timely manner.