The significance of pre-baby checkups: Pre-baby checkups are an important measure to ensure eugenics, which can prevent and detect congenital abnormalities, interrupt the continuation of genetic diseases, and improve the genetic quality of human beings in all aspects, such as physical strength and intelligence. The measures taken to improve the quality of male sperm can improve the chances of conception and play a very important role in producing physically strong and more intelligent offspring. The pre-baby checkup is suitable for all men of childbearing age who are ready to have children. Pre-baby checkups: 1. General: the doctor asks about growth and development history, marriage and childbirth history, past history, family history of genetic diseases, etc.; physical examination; general laboratory tests; 2. semen analysis; 3. epidemiological tests for hepatitis, syphilis, AIDS, tuberculosis, etc. and other special tests, if necessary. Pre-birth examination precautions: requires the best recent physical condition. Semen analysis requires abstinence for 3-7 days before specimen collection, and if multiple specimen collections are required, the number of days of abstinence should be the same each time.