Question

what is barrier method​

Answer 1

A method of contraception using a device or preparation which prevents live sperm from reaching an ovum.

Answer 2

$\underline\bold{\huge{Answer! !}}$

Barrier method is a type of Contraceptive methods in which meeting of male sex cells (sperms) and female sex cells (ovum) are stopped to prevent unwanted pregnancy.

Example of barrier method is Condom.