If a woman is preparing to have a child, it is best to have a preconception checkup in order to avoid accidents after pregnancy.1. It is recommended that women should have a gynecological endocrine hormone checkup, mainly to look at ovarian function and ovulation; 2. It is also necessary to do gynecological examination, and it is recommended to do mycoplasma, chlamydia, cervical HPV and TCT examination, because if a woman has mycoplasma, chlamydia and HPV infection, it is likely to affect conception. It is recommended to take folic acid in the first trimester of pregnancy and to do preconception checkups to find out the problems and treat them in time so that you can have a healthy baby.