A 23-year-old woman with sudden onset right lower quadrant pain.

A 43-year-old woman with intermittent vaginal bleeding between her periods. Last menstrual period was two weeks prior.

A 23-year-old woman presents with radiating lower quadrant pain for four days.

A 29-year-old pregnant woman with left lower quadrant pain and vaginal bleeding, with ß-hCG level of 2743.

A 23-year-old woman post spontaneous vaginal delivery, complicated by retained placenta, three days prior presents with pelvic pain radiating to the right lower quadrant.

A 24-year-old woman with a history of ectopic pregnancy presents for infertility evaluation.

A 32-year-old woman presents to the emergency department with two days of abdominal pain, nausea, lightheadedness, and a positive β-hCG with last menstruation seven to eight weeks prior.

A 33-year-old woman with one day of worsening left lower quadrant abdominal pain.

A 20-year-old woman with vaginal bleeding and cramping with positive ßhCG. Her last menstrual period was 11 weeks ago, and she has a history of multiple spontaneous abortions.

A 28-year-old woman G3P0 status post spontaneous abortion two weeks ago presents with spotting for the past several days. Beta human chorionic gonadotropin (βhCG) level remains elevated.

A woman undergoing routine ultrasound at 25 weeks gestation.

A 30-year-old woman with difficulty getting pregnant.

A 31-year-old G8P2 woman 21 weeks pregnant with abnormal prenatal ultrasound.

A 40-year-old woman with history of hysterectomy for fibroids presents with pelvic mass palpated on physical examination.

A 30-year-old woman presents with a history of oligomenorrhea.

A 59-year-old woman with a few weeks of pelvic discomfort. She was previously treated at an emergency room for a urinary tract infection without resolution of symptoms.

A 28-year-old woman presents with vaginal bleeding. Patient is 13 weeks pregnant by last menstrual period.

A 55-year-old woman with menorrhagia.

A 41-year-old woman presents with metrorrhagia.