I took a store bought brand and immediatedly it didnt show a line then it did a thick one then it dissapeard into a skinny line now its faint i just took an answer test and it shows no line. im so confused. im gaining weight a my breasts are sore and swollen. i was on depo in april but never resumed. what am i suppose to think. i had some spotting sep 8 and then a couple days later again. can anyone help me?