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
Cornification index or eosinophilic index indicates: 
Select and explain. 
A. Progesterone effect, B. Estrogenic effect, C. Effect of LH, D. All of the above
B: Estrogenic effect
Answer: B: Estrogenic effect 
Explanation: Estrous: It is cyclical period of sexual activity in non human female mammals, marked by congestion of and secretion by the uterine mucosa, proliferation of vaginal epithelium, swelling of the vulva, ovulation, and acceptance of the male by the female. During estrus, the animal is said to be “in heat”.
Also Know:
Estrus cycle – The sequence from the beginning of one estrus period to the beginning of the next.
It includes : • Proestrus
• Estrus
• Metestrus followed by
• Diestrus (period of quiescence).