Hi Guys - thanks for your replies. Update on me is that i tested again on dpo 14 & 15 - this time with Fortel (one step pee in cup one) and both -ve!!! So at this stage I am thinking definatly not this month, despite how strange and different I feel. I have been having weird cramping one and off for almost 1 week now, and always this butterfly's type feeling in my tummy. So am waiting for AF now, which was due yesterday and normally shows up like clockwork (down to the hour almost)! So no sign of her so far, and too scared to test again in case of another neg. Arrrgh this wait is killing me!!!!!!!!