The main reason why you should not prepare for pregnancy within three months after tooth extraction may be due to the fact that you have taken X-rays and antibiotics during the extraction process, and your doctor may recommend that you should not prepare for pregnancy for three months. The tooth will heal in a week after extraction, and you can resume normal chewing and eating in a month or so, with complete healing taking three months. X-rays are usually taken on the day of extraction and there is radiation. It is also possible to take antibiotics after tooth extraction. Of course, some antibiotics do not affect the development of the fetus, while some antibiotics can cause fetal deformities. Therefore, the first three months of pregnancy need to avoid taking drugs, need to avoid exposure to X-ray and all kinds of electromagnetic radiation, and need to actively supplement folic acid to prevent fetal malformation. Specifically after the extraction of teeth within three months must not prepare for pregnancy is recommended to consult a professional doctor.