8 dpo and worried

So I'm 8 dpo and I said I would stay positive this cycle but I'm starting to get nervous as it gets closer to when I have to test. I hate testing, I'm just afraid that it will say negative. I had a lot of strong symtoms after ovulation but now it doesn't seem so much. I took Letrozole for the first time this cycle so I'm praying that will be the ticket! I'm just scared and nervous. Can symtoms diminish but still be pregnant?