weird feeling

I just have this weird feeling I'm not pregnant. I go back and forth each day with this. The hard part of the waiting to see part is all the mind games you end up playing. My skin breaks out and I think 'ooohhh, that's a sign" no, probably just stress. But I feel like I usually do ramping up to a period. Cranky, emotional, feel pudgy, boobs feel huge. So I think I'll probably get a period this weekend. Even worse though will be if I get it, but get it like a week late. And I don't feel good today. Super tired and my back is really achey again from the medicine.