This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Normal Menstruation, Abnormal Menstruation, Menopausal Physiology and forsight of conception, Subject name: Gynaecology & Obstetrics
Oogonia reach their maximum number at which of the following stages of human development: 
Select and explain. 
A. 4th month, B. 5th month, C. 6th month, D. 7th month
B: 5th month
Answer: B: 5th month 
Explanation: The Number of oogonia reaches its maximum at 20 weeks of intra uterine life 6-7 million. At bih 1-2 million At pubey 3-4 lac primary oocytes are left behind Total Utilized follicles during her entire reproductive period 38 *12=456 follicles