There are no changes for women during the preparatory period, but they need to be in good health during the preparatory period and also need to have sex during ovulation to increase their chances of getting pregnant. The preparatory period is the period of time when you are ready to get pregnant, and three months is the clinically recommended period of preparation. At this time a woman is not pregnant, there is no estrogen or other changes in her body, and there is no difference from normal. However, during the preparation period, women generally need to adjust their own health, ensure sleep, can avoid high calorie, high fat, high sugar, high salt and other dietary intake, and at the same time eat a light diet, ensure nutrition and moderate exercise to ensure good health, in order to enhance the quality of eggs, enhance the chances of sperm and egg combination. If you are planning to get pregnant, you can choose the day of ovulation or a few days before or after the day of ovulation to have sex, and at the same time, after sex, you can put a pillow under the buttocks to increase the time of sperm and egg combination, in order to improve the chances of conception, and at the same time, women need to relax, to avoid too much concern about whether or not to get pregnant and cause anxiety.