Define demography.
Demography is the scientific and statical study ofpopulation, populationchange, size, its components,process and other various related factors is calleddemography.
Briefly explain about oral pills with their advantages and disadvantages.
A substance or a combination of substances, usually steroids administered orally which prevents conception or pregnancy is called oral pills.
Its advantages are:
- It is inexpensive.
- It helps to continue mensuration.
Its disadvantages are:
- It is not effective if not taken regularly.
- Doctor's advice should be taken before using it.