When Does Morning Sickness Occur

When Does Morning Sickness Occur - every woman is different. Some women start as early as week 5, others at week 10, others dont get it at all. The good news is as quick as it come it goes. Pregnant women say that one morning they get up and its just gone - of course you could be one of the unlucky ones who has it into the 2nd trimester, but lets stay positive eh? So there is really not any hard and fast rules to enable the question when does morning sickness occur to be answered. How long is a piece of string?