I'm now 18DPO and been feeling sick, bad skin, some tooth pain and sensitive nipples but still getting

s!! So frustrating - like you say I just want to know what's going on and whether it is just the BCP messing up my cycles or I am pregnant but it's not showing yet.
The leaflets on the HPTs I've been doing say that 98% pregnant women test positive on the day their period is due (First Response) so that means that I only have a 2% chance of being pregnant I guess!
I was sooo convinced this morning i would get a

as I woke up at 5am feeling SO sick

but definitely a
I am going away for the weekend tomorrow so am going to TRY not to test again until I get back next Monday. Staying with in-laws so would be difficult to sneak out and buy a test even if I was desperate!
Have to say that it's comforting that I'm not the only one whose cycles are messed up by BCP but if I had known this would happen I would have come off it a year ago! I just assumed I would get resume my usual cycles which has happened every other time I came off the BCP.