Hello im supposedly 2-3 weeks according to two clear blues, i used to drink pepsi max all the time, i only found out friday, and trying to ween my self of pepsi max, what drinks can i drink as im a fussy drinker and im worrying what i can and cant drink, and im still drinking pepsi max but found out its got load of caffeine in, also is 2-3 weeks pregnant to early to have symptoms as ive been having painful boobs, tummy pains back pain and nausea and back aches and got told thats not normal thos early?