Using Gelycin during pregnancy may affect the fetus, especially as the medication for treating trichomoniasis, Mifanling, may cause teratogenic effects, hormone replacement therapy increases the risk of endometrial cancer, and antifungal medications like miconazole may damage liver function. Mild candidal vaginitis is not harmful to pregnancy, but severe vaginitis should be treated before attempting pregnancy. Cervical erosion accompanied by pathogenic bacterial infection requires active treatment, while simple cervical erosion without other pathogenic bacterial infections will not affect pregnancy. Chronic cervical inflammation without other issues will not cause too much impact on pregnancy. Pre-pregnancy checks include liver and kidney function, blood and urine routine tests, and an electrocardiogram, with a focus on examining reproductive organs and related immune systems, as well as genetic history to ensure the health of the baby.