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If mammalian ovum fails to get fertilized, which one of the following even  is unlikely to occur:

Option: 1


The secretion of Estrogen further decreases


Option: 2

The secretion of Progesterone rapidly increases 


Option: 3

Disintegration of Corpus luteum will takes place


Option: 4

The development of Primary Follicles 


Answers (1)

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When a mammalian ovum fails to fertilise, the corpus leuteum degenerates, which causes progesterone levels to drop quickly (progesterone is essential for maintenance of pregnancy). Additionally, estrogen keeps the endometrium growing until it thickens to the point of rupture and menstruation. Therefore, there is no additional increase in estrogen secretion.Hence, the correct option is (a). 

Posted by

Gautam harsolia

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