Which of the following hormone levels will cause release of ovum (ovulation) from the graffian follicle ?

Low concentration of LH

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Low concentration of FSH

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High concentration of Estrogen

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High concentration of Progesterone

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Solution

The correct option is C High concentration of Estrogen
The follicular cells proliferates and forms the mature follicle called Graafian follicle. The follicular cells secretes estrogen as they mature. The high estrogen level stimulates the pituitary gland to secrete LH (Leutenizing hormone). High level of LH triggers ovulation & promotes the development of corpus luteum by rupture of graafian follicle.

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