After taking Yohtex orally it can cause more pain in the stomach, when there exists irritation in the functioning of the gastrointestinal tract. Because Yutin will cause gastrointestinal function confusion, it will cause the abdomen is more painful, there are some manifestations. However, after taking Yutin, the interval is longer, has been more than ten days stomach pain, this time to cause high attention. Because Yutting is not 100 percent contraceptive, there is a 20% chance of failure, so you have to use the pregnancy test stick test, to rule out the chances of pregnancy occurs, but also cause the risk of ectopic pregnancy occurs, to go to the hospital in time for ultrasound, to determine whether there is a chance of ectopic pregnancy occurs. Depending on the situation, you can use medication to regulate or treat the situation, and use pain relief medication in the absence of pregnancy. After taking Yutin should also pay attention to the changes of menstruation, when there is an early or delayed menstruation, it will cause the pelvic blood vessels to dilate, which can also cause more pain in the stomach.