Bleeding on the 50th day of pregnancy, but no abdominal pain, may be a pre-eclampsia or other disease conditions, it is recommended to consult a doctor in a timely manner, to clarify the cause of the treatment.1, pre-eclampsia: bleeding on the 50th day of pregnancy, but no abdominal pain, is the possibility of pre-eclampsia, should be a timely medical ultrasound examination, for the luteal insufficiency of the patient may be injected with progesterone or oral progestational hormone preparations, clinically more commonly used is the dextroprogesterone tablets. Patients should take proper rest and prohibit sexual intercourse. If the vaginal bleeding stops after treatment and the embryo is normal, then the pregnancy can continue; 2, ectopic pregnancy: if the ultrasound examination has not yet been carried out, it may be an early ectopic pregnancy, which has not yet ruptured, so there is no abdominal pain, if it is determined to be an ectopic pregnancy, it is recommended to hospitalize in a timely manner, or even surgical treatment; 3, bleeding from the anus or the urethra: constipation is prone to occur in pregnancy, as well as urinary tract infections, and also bleeding from the lower body, sometimes pregnant women themselves cannot specify the location of bleeding, and the bleeding from the lower body can also occur. Sometimes the pregnant woman herself can not specify the bleeding site, you can go to the hospital by a specialist doctor to confirm the examination.