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
Total number of Primordial follicles present at bih: 
Select and explain. 
A. 2000-4000, B. 20,000-40000, C. 1-2 lakhs, D. 1-2 Million
D: 1-2 Million
Answer: D: 1-2 Million 
Explanation: Primordial cells stas to form at 8 weeks of intrauterine life At 20 weeks they are around 6 - 7million At bih they are 1-2 million At pubey they are around 3 to 4 lakhs. A woman typically uses around 400-450 of these follicles in her life and the remaining undergo atresia. * Ovulation stas 12 years onward until 50 years mostly. Thats 38 years of menses. Hence 38 x 12 months = 456 follicles are totally utilized n a woman's life.