i think so .. everyones different
well to know that you are pregnant you start to feel sick every morning and have stomach cramps if you do have a test, if you are congratulations
you will know your pregnant because you feel sick all the time and you will know when you eat more than you usually do or your period hasn't come or is light.
you might be pregnant
Do you suppose to feel sick when your tubes are tied
Ask your Mom
dont do it!
Some people doesnt feel sickness everytime their pregnant.
This answer is different for everyone but for me it started around week 7.