NEET Biology question

Which one of the following is the most likely reason for not occurring regular menstruation cycle in females?

(A)Fertilization of the ovumCorrect
(B)Maintenance of the hypertrophical endometrial lining
(C)Maintenance of high concentration of sex-hormones in the blood stream
(D)Retention of well-developed corpus luteum

Answer: (A)

Solution

The most common and physiologically normal reason for the absence of regular menstrual cycles is pregnancy, which begins with fertilization of the ovum and

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Question ID VK-122013