The intentional or voluntary termination of pregnancy before full term is called .........

$A$ : Once conception has occurred,abortion can be induced by the drug mifepristone.
$R$ : Mifepristone is a progesterone antagonist.

In which of the following cases can $MTP$ (Medical Termination of Pregnancy) be performed?

$MTPs$ are considered relatively safe up to . . . . . . weeks of pregnancy.

$MTP$ is performed to get rid of unwanted pregnancies due to $:-$

Approximately . . . . . . $MTPs$ are performed in a year all over the world, which accounts for . . . . . . of the total number of conceived pregnancies in a year.