CBC, chemistry
UA, urine pregnancy
Pelvic ultrasound
Consider CT A/P to rule out other etiologies (e.g. appendicitis)
Typically diagnosed on ultrasound, with same side of pain and absence of other concerning etiologies (e.g. negative UA, not pregnant)
Check hemoglobin level to assess for blood loss
Ovarian cyst
Appendicitis
Tubo-ovarian abscess
Perforated appendicitis
Ovarian torsion
Peritonitis
Ectopic pregnancy
Abdominal aortic aneurysm