With the development of social economy, people are paying more and more attention to fertility, and they want to have a healthy and smart baby. Therefore, more and more couples go to the hospital to do eugenics checkups (pre-conception checkups), but many couples do not know which items to do; or some couples come to do a comprehensive checkup; or copy the package from “Baidu Hospital College” and follow the steps; this checkup is meaningless and a waste of money, so how should we do eugenics checkups? How should we do the eugenics examination? Usually doctors will ask medical history, especially family history, past health status, and check the development of external genitalia of both men and women, male side: whether there is circumcision or prepuce, hypospadias, penis development, testicular size, whether there are nodules in epididymis, whether there are nodules or missing vas deferens, whether there is varicocele, etc.; female side: whether there are redundant vulva, vagina, cervix, and also take the white belt to check whether In addition to the above medical history and physical examination, the remaining items are blood tests, which are required for both spouses: blood group and RH: prevention of ABO hemolysis in newborns; urine routine + urine sediment: whether there is urinary tract infection; blood routine: whether there is anemia, infection, etc.; liver function, kidney function: to understand whether there is liver and kidney disease; thalassemia screening: red blood cell fragility, G-6 PD deficiency, hemoglobin electrophoresis – especially couples in Guangdong and Guangxi must be checked; if there is a problem, check the gene for geodystrophy. Teratogenic five or ten items: to rule out the presence of herpes virus, rubella virus, cytomegalovirus, toxoplasma infection; this item is for women. Chromosomes: for couples with previous history of miscarriage, stillbirth, fetal abnormalities; it is not necessary to check every couple. Syphilis, HIV: routine or selective screening is recommended to avoid vertical transmission to the next generation. Ultrasound: the female partner checks the uterus and adnexa to rule out any uterine malformations, congenital dysplasia, etc. Ultrasound examination of the scrotum for the male partner to understand the testes, epididymis and spermatic cord to rule out any varicocele, testicular microlithiasis, etc. Semen analysis: semen is the preliminary understanding of male fertility, semen abstinence 2~7 days examination. Through the above description, you understand the eugenics examination items and their significance, then you have the purpose to go to the hospital for examination and really achieve the purpose of eugenics.