I am 3 mths late for my monthly cycle have taken 2 test went to ER and tested negative i have increase in apetite, urine alot more then usual intake in fluids havent changed at all i am more gassy then usual, aswell as sencetive breast , more fatigue alot more, aswell as gained a few extra pounds in the last mth as i was only 135 pounds What can be the explanation to this am i pregnate and to ealy to tell or something else?