Tmi alert i haven't had my period in 3 weeks (after having only 1) i am breast feeding is this normal???? I also have taken 3 pregnacy tests 2 lines showed up and one disappeard then the last was negative but with my first i couldnt tell by a pee test till i was 4 months and even the blood test showd 8 weeks when i was 14 weeks. Someone help please!