Hi! I am a grad coming back for more....
First, I have heard of the headaches as an early pg symtom. I think maybe hormonal? (Of course, pretty much every symptom can be attributed to PMS too, can't it? LOL)
As for testing....FRIDAY!

And I can attest to the ability to POAS in bathrooms and not leave a trace of evidence for the next occupant, even when your exit is observed. LOL If you need tips, I am a complete POAS addict. Ain't nothin' like watching for those two little lines! (The long-timers here can probably regale you with the stories of my dozen or so HPTs with Joey.....and my dozen or so HPTs with the miscarriage I had just before that one. STOCK TIP of the day: BUY whatever company owns First Response b/c when I get back in the saddle again, you will make a FORTUNE!

)
Anyway, I am thinking +++++++ for you!