Menstruation is deferred, how is amount little to return a responsibility

If menstruation is particularly regular, menstruation shows delay, and menstrual volume is reduced, you need to rule out the symptoms caused by pregnancy. In early pregnancy, if you show threatened abortion, it will cause a small amount of bleeding, you need to use test paper or blood test to judge. If the symptoms caused by pregnancy, you should go through color Doppler ultrasound to see if there is a gestational sac in the uterus. If ectopic pregnancy is ruled out, you need to use drugs to protect the fetus and reduce activities. If you do strenuous exercise, it may cause increased bleeding, resulting in inevitable abortion, the situation will be more serious, with abortion drugs after the blood volume reduction, pain relief, this situation indicates that abortion success. During menstruation, easy to show abdominal pain, showing threatened abortion will also cause abdominal pain, so there are many similarities.