Bloodwork back ???

Lmp was 12-31 got +HPT on 1 31 labs on 2-4 HCG 1926 Progesterone 6.9 started progesterone caps 400mg on 2-8 with bloodwork labs came back today at HCG 7445 don't know progesterone thinking I was 6 wks today but doc says more like 5 wks only has me freaking out because started spotting brown any one else have this experience or advice????