Rank each of the begins with noticeable bloody discharge from the vagina. follow

Question

Rank each of the begins with noticeable bloody discharge from the vagina. following uterine changes associated with the menstrual cycle in chronological order using #1 to identify the earliest event. The earliest phase The endometrium begins to thicken due to rapid cell division. Menstrual fluid in the uterus accumulates and is discharged Due to a degeneration of the corpus luteum, the lack of progesterone causes the endometrium to begin to degenerate. The endometrium thickens due to secretion and fluid accumulation. E E

Explanation / Answer

ANSWER-

THE EARLIEST PHASE IS-due to degeneration of the corpus luteum,the lack of progesterone causes the endometrium to begins to degenerate.

menstrual cycle begins with menstrual bleeding,which marks the first day of the follicular phase.

when follicular phase begins,level of estrogen and progesterone are low.as a result,the top layers of the thickened lining of uterus (endometrium)break down and are shed,and menstrual bleeding occurs.

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