What is the full form of $MTP$?

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.

Approximately $40$ to $50$ million $MTPs$ are performed in a year all over the world,which accounts for $1/5th$ of the total number of conceived pregnancies in a year.

Induced abortion is also known as:

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