A 26 years old female presented with mild pain in lower abdomen. She has had 2 full-term normal delivery earlier. Her last menstrual period was 3 weeks back. On pelvic examination, you find a palpable mass in the adnexa. On USG pelvis, you find a 5 cm ovarian cyst. What should be your next step?

Ans: A. Observation and follow-up for cyst after 2-3 months(Ref: Shaw's 15/e p369)The patient is premenopausal, 3 weeks after LMP (likely to have ovulated) with a 5 cm cyst.The scenario presented here likely represents the patient having a corpus luteum cyst.These cysts need not be approached aggressively unless causing significant symptoms.