<unk> 
Subchorionic hematoma
First Trimester Abortion
Complete Abortion
Incomplete Abortion
Inevitable Abortion
Missed Abortion
Septic abortion
Threatened Abortion
Gestational trophoblastic disease
Consider when<unk> -induced hypertension is seen before 24 wks of gestation
Heterotopic<unk> 
Implantation bleeding
Molar<unk> 
Non-pregnancy related bleeding
Cervicitis
Fibroids
Implantation bleeding
Complete Abortion
Incomplete Abortion
Inevitable Abortion
Missed Abortion
Septic abortion
Threatened Abortion
Consider when<unk> -induced hypertension is seen before 24 wks of gestation
Cervicitis
Fibroids
Implantation bleeding
Pelvic origin
Acute cystitis<unk> 
Ovarian torsion
Endometriosis
Pelvic inflammatory disease
Cervicitis<unk> 
Ovarian torsion
Spontaneous abortion
Septic abortion
Myoma (degenerating)
Ovarian cyst (rupture)
Tubo-ovarian abscess
Mittelschmerz
Sexual assault/trauma
Ovarian hyperstimulation syndrome
Vaginitis (e.g. trichomoniasis, candidiasis)
Urethritis (e.g. N. gonorrhoeae/Chlamydia)
Abdominal origin
Appendicitis
Kidney stone
Psoas abscess
Mesenteric adenitis
Incarcerated hernia
Diverticulitis
Pyelonephritis
Ectopic pregnancy
Ovarian torsion
Subchorionic hematoma
Tubo-ovarian abscess
First Trimester Abortion
Ovarian cyst
Complete Abortion
Endometriosis