Metronidazole has some effects on the fetus. Metronidazole is an anti-inflammatory drug, widely used in the treatment of anti-anaerobic bacteria, and is more commonly used in clinical practice. It may affect the development of the fetal central nervous system during pregnancy, and in serious cases may cause fetal malformation, and it is forbidden to take metronidazole during pregnancy, but the effect of taking metronidazole during pregnancy preparation is not great, and you can prepare for pregnancy normally after stopping the drug for one month. You should not take drugs casually after pregnancy, many drugs have certain effects on the fetus, especially in the early stages of pregnancy, such as gynecological diseases or colds during pregnancy, you should seek medical advice in a timely manner to avoid taking drugs privately, you can take drugs that do not affect the fetus under the guidance of a doctor. If you accidentally take metronidazole during pregnancy, don’t be too nervous, you can regular maternity checkups and observe the development of the fetus at any time, if the fetus develops abnormally, you can terminate the pregnancy in time.