1. Understanding ovulation is the key to pregnancy. The key to pregnancy is to have sex during a woman’s ovulation period. Women only ovulate for a few days each month, and having sex during these days can greatly increase your chances of getting pregnant. Therefore, it is important to know your ovulation cycle. 2. Keep your body healthy. Keeping your body healthy is very important during pregnancy. Women should maintain healthy eating habits, regular exercise and adequate sleep. In addition, avoid unhealthy drinking and smoking