This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
G3 with previous second trimester abortion presents with 22 week of gestation, abdominal pain, USG shows funneling of internal os. What is the ideal management? 
Select and explain. 
A. Dinoprost and bed rest, B. Misoprost and bed rest, C. Fothergills stitch, D. Mc Donald stitch
D: Mc Donald stitch
Answer: D: Mc Donald stitch 
Explanation: Patient presenting at 22 weeks with:

Funnelling of cervix on ultrasound examination and history of second trimester abortions indicating cervical incompetence as the cause of preterm labor. In this case Mc Donald stitch will be the ideal treatment as it will prevent preterm labor.