$A$ : Lactational amenorrhoea is one of natural method of birth control.
$R$ : High level of prolactin inhibits the secretion of gonadotropins

• A

  Assertion and Reason both are correct and also correct explanation.

• B

  Assertion and Reason both are correct but not explanation of assertion.

• C

  ssertion is correct, but Reason is incorrect.

• D

  Both Assertion and Reason are incorrect.