Chemical Coordination and IntegrationMedium

Question

Progesterone, which is the most important component of oral contraceptive pills, prevents pregnancy by

Options

A.preventing the formation of egg
B.preventing the cleavage of fertilized egg
C.creating unfavourable chemical environment for the sperms to survive in the female reproductive tract
D.blocki ng ovulation

Solution

Most contraceptive pills contain the hormones estrogen and progesterone. Progesterone, alongwith estrogen, disturbs the normal menstrual cycle to prevent ovulation .It inhibits the pituitary from secreting FSH and LH, which leads to blocking of ovulation.

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