This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Reproductive physiology and hormones in females, Subject name: Gynaecology & Obstetrics
Rise in body temperature during ovulation is due to : 
Select and explain. 
A. Estrogen, B. Progesterone, C. LH, D. FSH
B: Progesterone
Answer: B: Progesterone 
Explanation: Progesterone is known to exe a thermogenic effect on the body Record of basal body temperature daily after waking up in the morning helps in knowing the time of ovulation Ref: Shaw Gynecology 17 e pg 254.