Which of the following cannot protect the user from contracting $AIDS$?
Diaphragm
Cervical caps
Vaults
All of these
Female condoms are called
Exponential phase of human growth started about
In India the number of females per thousands males had been constantly decreasing but in which of the following years, the number had been increased
$A$ : Inability to conceive or produce children even after $2 \;years$ of unprotected sexual cohabitation is infertility.
$R$ : In vitro fertilization followed by transfer of embryo into the female genital tract is ‘Test Tube Baby’ programme
'Nirodh' is a popular brand of