A miscarriage is commonly referred to as a spontaneous abortion, and this type of miscarriage can be associated with abdominal pain. It may start with mild abdominal pain and a small amount of vaginal bleeding, which will gradually increase as time goes on. If it is a small month spontaneous abortion, the pain is not particularly serious and usually can be tolerated; if it is more than 12 weeks, the abdominal pain is more obvious, sometimes the same as giving birth, a burst of pain in the lower abdomen, then more and more serious, the opening of the uterus will slowly open up, the embryo will be expelled, and then the uterus will be cleared, this process is more painful, some people can not tolerate, but generally can be tolerated. Some people can’t tolerate it, but most people can tolerate it.