Oxyfloxacin can clinically cause fetal malformations, so it is best to consider having a baby after three months if you are taking oxyfloxacin. You can prepare for pregnancy only if you have normal menstrual flow for three months. Before getting pregnant, you need to have a health checkup, such as liver and kidney function tests, routine blood and urine tests, screening for HIV and syphilis, and the five eugenics tests. In addition, thyroid function and sex hormone tests, ultrasound, white belt test and electrocardiogram are also required. The main purpose is to know the basic health condition of your body before you can prepare for pregnancy. The main purpose of taking oral folic acid tablets before pregnancy is to prevent fetal neural tube abnormalities and to avoid the birth of anencephaly and spina bifida.