Scientific Pregnancy Preparation Guide: Pregnancy and childbirth are not a simple matter. It requires the joint efforts of both husband and wife and scientific guidance to make the pregnancy preparation process smoother. The following are some scientific pregnancy preparation guidelines, hoping to provide some help to couples who are preparing to conceive. 1. Maintain a healthy lifestyle Before pregnancy, both husband and wife should maintain a healthy lifestyle, including diet, exercise, rest, etc. First, avoid excessive drinking and smoking, which not only affect men