hi everyone my name is abbee, i need some help. ok so last weekend i had taken 2 pregnancy tests and they both turned up positive so i made a doctors appointment. well went to doctors yesterday and they told me that im not pregnant??? how could this be?? both the tests were light but you could see the second line. they told me that if i havent started my period by the end of next week to go back in. im just really confused, please help.