Barriers

They prevent physical meeting of sperm & ovum. E.g.

1. Condoms(E.g. Nirodh)

• They are made of rubber/latex sheath.
• They are used to cover the penis or vagina & cervix, just before coitus so that the semen would not enter into female reproductive tract.
• Condoms are very popular because:
• It protects the user from STDs and AIDS.
• It is disposable.
• It can be self-inserted and thereby give privacy to user.

2. Diaphragms, cervical caps and vaults

• Made of rubber those are inserted into the female reproductive tract to cover the cervix during coitus.
• They block the entry of sperms through the cervix.
• They are reusable.

Spermicidal creams, jellies & foams are used along with the barriers to increase contraceptive efficiency.