This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological oncology, Subject name: Gynaecology & Obstetrics
A 35-year-old patient on USG shows 3 x 4 cm clear ovarian cyst on right side. Next line of management is; 
Select and explain. 
A. Laparoscopy, B. OC pUls, C. Wait and watch, D. Ca-125 estimation
C: Wait and watch
Answer: C: Wait and watch 
Explanation: A simple unilocular cyst measuring less than 5 cm can be observed with repeat ultrasound and CA-125 every 3 months.Many resolve in 6 months.A persistant cyst calls for its removal laparoscopically or by laparotomy.Aspiration of the cyst is contraindicated because of low yield of malignant cells and possibility of spread of malignancy if the cyst proves malignant histologically.Many perform bilateral oophorectomy and hysterectomy. SHAW&;S TEXTBOOKOF GYNECOLOGY,Pg no:388,15th edition