A contraceptive “X” is used by 100 couples for continuous period of 2 years. During this period 20 women become pregnant despite using contraceptive “X”. What is the pearl index of contraceptive “X”?

Social & Preventive Medicine

A contraceptive “X” is used by 100 couples for continuous period of 2 years. During this period 20 women become pregnant despite using contraceptive “X”. What is the pearl index of contraceptive “X”?

A study is to be conducted with regards to the fat content…

'There has been a gradual increase in number of non-communicable disease cases…

All of the following are done to remove Confounding except