Sex determination using Barr bodies is possible through which of the following methods?

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Copper releasing $IUD$	$(1)$ Diagnosis of chromosomal abnormalities
$(b)$ Hormone releasing $IUD$	$(2)$ Saheli
$(c)$ Pills	$(3)$ $LNG-20$
$(d)$ Amniotic fluid test	$(4)$ Multiload-$375$

In the context of amniocentesis,which of the following statements is incorrect?

Consider the statements given below regarding contraception and answer as directed thereafter:
$(1)$ Medical termination of pregnancy $(MTP)$ during the first trimester is generally safe.
$(2)$ Generally,chances of conception are nil until the mother breastfeeds the infant up to two years.
$(3)$ Intrauterine devices like copper $T$ are effective contraceptives.
$(4)$ Contraception pills may be taken up to one week after coitus to prevent conception.
Which two of the above statements are correct?

Identify the correct statements:
$i$. Birth control pills are likely to cause cardiovascular problems.
$ii$. $A$ woman who substitutes or takes the place of the real mother to nurse the embryo is called a surrogate mother.
$iii$. Numerous children have been produced by in vitro fertilisation,but with some abnormalities.
$iv$. Woman plays a key role in the continuity of the family and human species.
$v$. Foetal sex determination test should not be banned.

Which of the following is $NOT$ an objective of family planning?