Most can be discharged home with OB/GYN follow-up
For severe anemia or persistent exceedingly heavy flow, consider admission and/or discussion with OB/GYN
Surgical options, when medical management fails, include hysterectomy, endometrial baloon tamponade, dilatation and curettage, uterine artery embolization
Nonpregnant vaginal bleeding
Systemic Causes
Vaginal bleeding in pregnancy 
Cirrhosis
Prepubertal vaginal bleeding
Coagulopathy 
Abdominal pain in pregnancy
Group A strep vaginitis 