my little girl is nearly 2 now, and have come off my anti -depressants, and as a result came off my pill too, as i used to take them together. so i had a period as i was no longer on the pill, then a couple days later, me and my partner had sex, then i had another period 2 days later-lasting 3 days, and now 3 weeks on i feel pregnant, lower back ache, discharge, and a general knowing that im pregnant, as i did with my first child. but i did a test last night and it said positive, then i did one the followig morning and it said negative. im so confused, i feel tired, and faint, slight stomach bloatiness also. i dont know what to do, am i or arnt i? any ideas