II. Background
- Seen early in pregnancy and resolves by mid-pregnancy
- Result from failed Ovulation
III. Symptoms
- Asymptomatic in many cases
- Acute Pelvic Pain occurs in Hemorrhagic Ovarian Cyst
IV. Radiology: Ultrasound findings
- Size: 3-8 cm in diameter
- Thin-walled, anechoic cyst
- Round or oval
V. Course
- Immature follicle contains unresorbed fluid
- With Ovulation, cyst-lining granulosa cells luteinize
- Follicular cyst transitions to corpus luteum
- Corpus luteum grows >2.5 cm, forms Corpus Luteal Cyst