Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Contraceptive oral pills help birth control by - Sarthaks eConnect
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Contraceptive oral pills help birth control by

Contraceptive oral pills help birth control by

A.

preventing ovulation
B.

killing the sperms

C.

forming barriers between sperms-ova

D.

killing the ova

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