hi. i was diagnosed with pcos about a year ago and have been ttc with my boyfriend. i misscarried on the 7th october 2012 and have still been trying. for the past couple of weeks i have been feeling sick, peeing more frequently, have cravings, lost my interest in tobacco, breasts feel sensitive and heavy with a tingling feeling, emotional, tiredness and been experiencing headaches. ive taken 5 pregnancy tests but all have come back negative....help?