Question

List at least 4 mechanical barriers used for birth control.

Answer 1

Barrier methods are devices that block sperm from entering the uterus. Examples include condoms and diaphragms.

Step-by-step explanation:

Barrier methods are devices that block sperm from entering the uterus. They include condoms and diaphragms. Of all birth control methods, only condoms can also prevent the spread of sexually transmitted infections.