Which of the following will cause release of ovum from the Graafian follicle?

High concentration of progesterone

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High concentration of LH

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Low concentration of FSH

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Low concentration of estrogen

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Solution

The correct option is B High concentration of LH
Plasma concentration of LH rises during ovulation, called LH surge which induces rupturing of Graafian follicle so as to release ovum, called ovulation.

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