Which is a barrier birth control method?
a.
birth control implant
b.
female condom
c.
withdrawal

B.) A female condom.

Explanation: Female condoms are a barrier method of contraception worn inside the vagina. They prevent pregnancy by stopping sperm from meeting an egg. A female condom can be put into the vagina before sex, but make sure the penis does not come into contact with the vagina before the condom has been put in.

answer; indirect elisa;