Ectopic pregnancy under what circumstances will be bleeding, bleeding symptoms are

Extrauterine pregnancy bleeding time and can not be determined, because this symptom is due to fertilized eggs not implanted in the uterus caused by, it causes implantation site rupture time is uncertain, but most women in the rupture will feel obvious, strong lower abdominal pain, and accompanied by obvious pale face, cold sweat DC, blood pressure drop and other symptoms, serious even direct shock.