- Home
- Standard 12
- Biology
What is the use of condoms?
Decreases sperm motility
Increases sperm motility
Barrier to prevent fusion of sperm and ova
Increases phagocytosis
Solution

Barrier Methods
These methods prevent the contact of sperm and ovum with the help of barriers. Such methods are $(i)$ Condoms are the barriers made of thin rubber/latex sheath used to cover the penis in the male or vagina and cervix in female. It prevents the deposition of the ejaculated semen into the vagina of the female. $(ii)$ Diaphragms, cervical cap and vaults are the barriers made of rubber that are inserted into the female reproductive tract to cover the cervix during coitus. $(iii)$ Spermicidal creams, jellies and foams are used along with these barriers to increase their contraceptive efficiency