A 10-month pregnancy is a pregnancy that lasts about 10 gestational months according to a 280-day cycle, or about 9 months according to the natural month. Clinically, the first day of the pregnant woman’s last menstrual period is generally taken as the beginning of the gestation period, to the expected date of delivery of about 40 weeks, 4 weeks or 28 days as a cycle to calculate the gestation month, the gestation cycle is about 280 days, that is, 10 gestation months. If you calculate according to the natural month, the gestation cycle is about 9 months plus 10 days, so there is a saying that “a baby is born in 9 months in October”. The gestation cycle is not a fixed number, some pregnant women may have a menstrual cycle of more or less than 28 days, and a woman who delivers between 38 and 42 weeks of gestation is considered to be in full-term labor. In clinical practice, it is recommended to go to the hospital as soon as possible after the discovery of pregnancy to establish a file, regular obstetric examination, late pregnancy should be strengthened monitoring, timely understanding of fetal development, placental function, etc., and should follow the doctor’s instructions for treatment when abnormalities are detected.