NEET Biology question

Why does the menstrual cycle sometimes not take place regularly?

(A)High levels of hormone maintained in the blood (as with hormonal contraceptives) suppress FSH/LH and prevent follicular maturationCorrect
(B)Fertilisation of the ovum
(C)Early release of the ovum
(D)Psychological reasons

Answer: (A)

Solution

Maintaining an artificially high level of oestrogen-progestogen (as with contraceptive pills) in the blood suppresses gonadotropin

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Question ID VK-122428