With the development of social civilization and the gradual improvement of people’s living standard, how to conceive a smart and healthy baby becomes the first consideration of every father and mother-to-be. Pre-baby checkups are getting more and more attention from everyone. A series of pre-baby checkups are also carried out in major hospitals accordingly. However, because there are many factors that can affect pregnancy and childbirth, the understanding of different doctors varies. Different hospitals have launched different pre-baby checkup “packages”, which contain many items and are not uniform, and it is often difficult for the public to choose which hospital to check in, which on the other hand also increases the financial burden of the public. What are the most basic items of the pre-baby checkup? Generally speaking, pre-baby checkups include both men and women, and the items vary. For young men and women without a history of genetic disease, bad pregnancy history, the basic tests are: male side: 1, semen analysis. This test can analyze and reflect dozens of basic semen information such as semen properties, volume and color, PH value, liquefaction time, sperm activity rate, vitality, vitality analysis, sperm density, malformation rate, survival rate, white blood cells, etc., which is the most basic and necessary test item before fertility. The test requires 3-7 days of abstinence before the test is good. 2, semen mycoplasma. Chlamydia; mycoplasma, chlamydia is a special microorganism, plainly hosted in the urethral mucosa epithelium, the vast majority of no obvious symptoms. The disease is a non-gonococcal urethritis, a class II infectious disease, can be transmitted sexually. The male partner is very infected, can affect the sperm penetration, reduce the chances of female conception, and can infect the female partner, may become stillbirth, miscarriage and abnormal fetus factors. Therefore, the general consensus is that UU or CT should be turned negative before considering pregnancy. 3.Eugenics test (TORCH). Eugenics four items include Toxoplasma, herpes simplex, rubella, giant cell four small items, it is generally believed that these viruses and microorganisms can cause fetal malformations, leading to the occurrence of miscarriage, couples who keep cats, dogs and other small animals at home. 4, six items of hepatitis B. Hepatitis B virus can be transmitted sexually, if the male partner is a hepatitis B patient, the spouse can be instructed to inject hepatitis B vaccine as soon as possible, and do a good job of protection to prevent the male partner from infecting the female partner, the female partner and infected to the fetus. 5.Blood type. The blood type check includes ABO system and Rh system, blood type incompatibility can cause the fetus to stop developing. 6.Physical examination. The physical examination includes the basic examination of the whole body, the examination of the second sex characteristics, and the examination of external genitalia. The examination is simple and convenient, but often overlooked by doctors, physical examination can provide many important clinical information. Whether the penis is well developed; whether there is hypospadias and genital malformation, whether cryptorchidism and testicles are normally developed, whether there is varicocele and syringomyelia, can be found through physical examination. 7.Karyotype analysis of chromosomes. Special examinations such as semen immunological examination are not done as routine pre-fertility examination items. Only for those who have a family history of genetic disease; defective childbirth history nuclear multiple bad pregnancy and birth history and infertility patients can choose to check. Female side: 1. Gynecological examination. The basic examination of the female side, including the basic condition of the whole body and the examination of secondary sexual characteristics and external genitalia. 2.Four eugenic examinations. 3.Mycoplasma and Chlamydia examination. 4.Hepatitis B six items. 5.Blood group (ABO+Rh). For couples with no adverse maternal history and no history of genetic diseases, the above tests can basically meet the clinical needs.