Levoxyl is also known as levofloxacin, 30 days pregnant took levofloxacin whether it matters, is required to combine the specific pregnancy time and examination comprehensive judgment can retain the fetus. 1. Taken within 2 weeks of fertilization: within 2 weeks of fertilization belongs to the totipotent stem cell period, about 4 weeks of pregnancy, belongs to the early stage of pregnancy. The effect of drugs taken in early pregnancy on the fetus can be summarized as “all or nothing”. The cells of the gestational sac are not differentiated at this time, and there are two possible outcomes of taking levofloxacin. One result is that the gestational sac is unaffected by the drug and remains healthy; the other result is that the gestational sac dies completely, which is manifested by spontaneous abortion or embryonic arrest. After administration of levofloxacin within 2 weeks of pregnancy, if the fetus is viable and develops in line with the gestational week, it may be considered for retention. 2. Taken 2-8 weeks after fertilization: If the drug is taken 2-8 weeks after fertilization, there is a possibility that the fetus may be affected and termination of pregnancy is recommended. However, if the embryo develops according to the normal cycle, the pregnancy can be continued. Therefore, pregnant women need to go to the Eugenics Department for further counseling and examination, taking into account the month of pregnancy, the amount of oral levofloxacin and the number of days of taking it, and then deciding whether to carry out medication or terminate the pregnancy. Do not blindly use the drug yourself after pregnancy, under the guidance of the doctor targeted medication.