Hello i would like some advice from other mums outhere pls i was on my pills to not get pregnant but stopped them for a week and a half as had too much going on did have 1 time sexusal intercourse with no protection with my husband and then after that i started to take my pills again.after a week did have brown watery discharge for nearly 2 days i thout it could be a period as didnt get one for ages as been on pills but it didnt look like a period and then after the brown discharge like a week i am having heavier breast and sore nipples cramping too a bit tiredness but cant tell as got other 3 kids in house i dont know if this could be pregnancy took 4 pregnancy test they came back as negative but dont know if to early do anyone think i could be pregnant i have no idea when my pieriod or ovulation as didnt have nothing for ages pls give me some advice here.