I had a bout for a few days at two weeks. (nice.) Which obviously, since I'd only just conceived is as early as you can get it. But then it disappeared and didn't resurface until 6 weeks as nausea. 6 weeks is supposed to be the most common time to get it.
I truely had mine start at 5 weeks i tested because i felt so very nauseaus (sp) im currently 13+3 and it goes up and down some days its gone and others i cant stop being sick ! But so happy to have it x
Mine started just before 6 weeks and has continued til now...I'm 12+4. It has been joined by a number of equally hideous symptoms too which have comdined to turn my sunny disposition into that of a miserable cow! Poor DH!!