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
Following are the features of inhibin except: 
Select and explain. 
A. Non steroidal water soluble protein, B. Secreted by Graffian follicle, C. Stimulates FSH secretion, D. Increased secretion of inhibin occurs in polycystic ovarian disease
C: Stimulates FSH secretion
Answer: C: Stimulates FSH secretion 
Explanation: Inhibin Nonsteroidal water-soluble protein Secreted by graffian follicle Suppress pituitary FSH secretion Estrogen is responsible for secretion of inhibin in graffian follicle It causes agglutination of sperms, prevent cervical mucus penetration and interferes with egg interaction In PCOS there is incresed secretion of inhibin. Ref: Shaw's Textbook of Gynaecology, 15th edition, page no: 45