There are approximately 2.54 centimetres in one inch

This depends on how much living you are doing because obviously the more you are moving around the more calories you are burning however if you are just laying around all day and night doing nothing you would not be burning many calories and how many exactly are burned depends on the persons metabolism

No that does not mean that you have HIV however, if you are a woman you may have acquired PID which may lead to the inability to have children

No, that does not mean you have HIV however you may have developed a condition called PID which may lead to, if you are a woman, the inability to have children