Good health increases the longevity of people,but what does it reduce?

In amniocentesis,the fluid is taken from

Amniocentesis is the withdrawal of amniotic fluid in

In amniocentesis,the cells from the amniotic fluid are observed for the presence of which of the following to determine the sex of the fetus?

Give scientific reasons: Government or various welfare institutions make different plans for reproductive health awareness.

Given below are two statements,one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R).$
Assertion $(A):$ Adolescence means both 'a period' and 'a process' during which a child becomes mature in terms of his/her attitudes and beliefs for effective participation in society.
Reason $(R):$ The period between $12-18$ years of age may be thought of as the adolescence period.
In the light of the above statements,choose the most appropriate answer from the options given below: