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
Progesterone is produced by 
Select and explain. 
A. Granulosa luteal cells, B. Stroma ot the ovary, C. Theca cells, D. Seoli cells
A: Granulosa luteal cells
Answer: A: Granulosa luteal cells 
Explanation: Granulosa luteal cells