Periodic abstinence is avoiding sex during

Saheli – the new oral contraceptive for the females contains a …………

Use of spermicidal creams, jellies and foams along with diaphragms, cervical caps and vaults leads to

Use of which of the following contraceptive device has increased in recent years due to its additional benefit of protecting the user from contracting $STDs$ and $AIDS$?

What care is to be taken choosing a contraceptive method ?