I think I'm 16dpo or thereabouts. We've been trying for baby no 2 since Christmas but not feeling very hopeful. We only did it once this month around that time. I've felt normal really until Tuesday when back ache started but I did fall asleep reading book and slept funny so thought it was that. But yesterday and today I can hardly keep my eyes open and feel really nauseous. I have stomach ache but high up. AF is due today and I do feel heavy down there and tops of legs ache so I could just be coming on and have a stomach upset. I don't want to get my hopes up.....but can't help it!!!