Question

Mature Graafian follicle is generally present in the ovary of a healthy human female around

• A. $5-8$ day of menstrual cycle
• B. $11-17$ day of menstrual cycle
• C. $18-23$ day of menstrual cycle
• D. $24-28$ day of menstrual cycle

Answer 1

Answer: (B)

$11-17$ day of menstrual cycle

Answer 2

Starting from puberty, monthly changes in ovaries and uterus also starts. The layer of cells surrounding primary oocyte are called granulosa cells and together, they are called primary follicle. The growth of the follicles is under the influence of pituitary hormones $FSH$ and $LH$. Further growth is also stimulated by estrogen. The mature Graafian follicle is present in the ovary around $11-17$ day of menstrual cycle and on rupture of which, ovum is released (because of $LH$ surge, $1-2$ days before ovulation). So, the correct answer is '$11-17$ day of menstrual cycle'.