Which one of the following is the correct matching of the events occurring during mentrual cycle?

Options

A. Menstruation – Breakdown of myometrium and ovum not fertilized
B. Ovulation – LH, and FSH attain peak levels and a sharp fall in the secretion of progesterone
C. Proliferative phase – Rapid regeneration of myometrium and maturation of Graafian follicle
D. Menstruation – Breakdown of myometrium and ovum not fertilized

Answer

C

Explanation

(b) In secretory phase during ovulation, the follicle breaks and collapes under the continuous influence of Luteinising Hormone (LH). It begins to enlarge and forms a yellowish structure, called the corpus luteum. The corpus luteum plays an important role in the preparation of the endometrium for the implanatation of the fertilised egg by secreting oestrogens and progesterone.