Low Progesterone

Mina
Hello ladies,
I'm currently 8w3d, first pregnancy. Last week I did some blood work and went for my first ultrasound. Baby looks good and had a heartbeat of 122, so tech said heart just started beating. I was so overjoyed. Two days ago I went to follow up on the blood work w my doc. He said my progesterone level was at 11 and he sent me to do more blood work to check progesterone and hcg levels. I've been so devastated with the news and I'm trying to keep positive. He said if worse comes to worse, I'd be placed on progesterone suppositories. 
Has anyone on here had this happen to them? I need hope! Thanks!