i have had four out of five succesful pregnancies and i have had my tubes tied for around 4 years now i have always been a clock when it comes to my period and for the past two months i have not had one i feel sick in the morning and then fine i have taken a test and it is neg so any thoughts as to what may be going on here i am not under any stress pretty relazed with life know ing ther eis only a 2% chance of getting pregnant if it were by chance a hysterical pregnancy what am i to expect and would it show up on a test stick?