Couples of childbearing age who are not using contraception and have a normal sex life are said to be infertile if they do not get pregnant for more than two years. Generally, couples who have used the pill should stop using it for more than six months to get pregnant. In addition, a couple whose spouse is infertile for male reasons is called infertility. If a couple suffering from infertility has to go to an outpatient clinic for examination, they need to have a systematic and regular examination program. For example, women should have a gynecological examination and tests for mycobacteria, trichomonas, gonorrhea and chlamydia. In addition, a tubal examination, some endocrine hormone levels, and of course other targeted tests should be performed. It is also important to urge the male partner to undergo simultaneous examination. In addition, a hepatitis B virus carrier who is positive for HBsAg, HBeAg and HBcAg is called a major triple positive and is highly contagious and needs to be treated before pregnancy. General pre-pregnancy checkups 1. General health status: history of diseases, medication, alcohol consumption, smoking, allergies; menstruation, history of pregnancy and delivery; family history; genetic diseases, infectious diseases. 2.Physical examination: height, weight, blood pressure, pulse, general physical examination. 3.Gynecological examination. 4.Laboratory examination: blood, urine, blood biochemistry, and related examination of infectious diseases. 5.Chest X-ray, electrocardiogram, abdominal ultrasound, gynecological ultrasound. 6.Other: tests required (for certain special cases). It should be reminded that preconception checkups should be done by the couple together. The health of the future baby is determined by the genetic factors of the couple and the environment they live in together, and eugenics is the equal responsibility of the couple.