The medical term gestational month is usually calculated as 4 weeks as 1 month, and 33 weeks of pregnancy is 8 months plus 1 week of pregnancy. The gestational month is calculated by 28 days as 1 month, that is, 4 gestational weeks, and the whole 10 months of pregnancy as 280 days, so 33 weeks of pregnancy is 8 months of pregnancy plus 1 week. At this time in the second trimester, the fetus is developing rapidly, the organs have basically developed into maturity, is the fetus long fat period. Therefore, pregnant women must control their diet, eat a balanced diet, eat less and more meals, and avoid the intake of spicy, greasy and high-fat foods to prevent the fetus from gaining weight too fast, resulting in huge babies and causing accidents such as obstructed labor. In addition, pregnant women should pay attention to keep the perineum clean and airy to prevent retrograde infection; avoid straining, relax and relieve stress; keep the indoor air fresh, eat more fresh vegetables and fruits, take appropriate amount of calcium, exercise in moderation, and preferably do not have sexual intercourse.