First of all, get a checkup quick! A miscarriage is not a joke, get checked make sure your body has recovered and try again. This is a home remedy to help aid you in cleaning your uterus and its not dangerous (unless you're allergic to it) is aspirin. When your period begins take a couple of aspirin, it will thin the blood so it will come out faster but it will also clean your uterus. A couple should do, the first day of your periods for a few months.