UPDATE: High HCG and Progesterone. Why? Anyone else?

At 3 weeks and 6 days pregnant, I had 945 hcg and 77 progesterone. go in Tuesday for another blood test. why so high? anyone have this experience??

UPDATE: My next blood test a few days later was 4361. Today, we confirmed twins at an early 4.5 week ultrasound. fingers crossed!!