Pregnant?

Hi

I haven't been feeling well for about a week.
I'm emotional, moody, and getting nauseous in waves.
I have an appetite for everything... and as soon as I eat something, I feel sick.
I'm really tired.
Actually, I feel almost the same as during my first pregnancy (my daughter is now 4 years old).
I took a test this afternoon, but according to the test, I'm not pregnant. I do feel like it though.
I can't say I'm overdue, because I always take the pill continuously (and I never forget it).
Are there any moms here who got pregnant while on the pill?