Whether male or female, the body functions normally in order to produce a healthy baby, during the preparation period, it is best to make adequate preparations, the specific considerations are as follows: 1, avoid staying up late: women often stay up late will lead to biological clock disorders, but also cause a series of endocrine dysfunction, which will affect the female ovulation cycle, directly affecting conception. The quality and quantity of sperm will decrease, thus affecting fertility. 2. Quit smoking and drinking: It is best to start quitting smoking and drinking three months before conception. During the preparation period, we should pay attention to stay away from or avoid prolonged exposure. This kind of electromagnetic radiation has an impact on human sperm and eggs, and men in particular should pay attention to it because male chromosomes are more fragile and sperm are more sensitive to electromagnetic radiation, which is more likely to affect fertility. 4. balanced diet: during pregnancy preparation, we should ensure a balanced diet of three meals and replenish the body with the required minerals, vitamins and other elements, especially pay attention to ensuring the intake of folic acid and calcium to avoid increasing the probability of fetal development malformations.