Low HCG and progesterone levels

I got my blood drawn yesterday, and this morning they called and said that my pregnancy is confirmed, but my hcg and progesterone levels are low. I'm going in tomorrow for a redraw. They did say that it's possible I was right when I thought I was closer to 4.5 weeks instead of 5 weeks, but that my levels are still a bit low. I'm so anxious it isn't even funny. Good thoughts and prayers my way, please!