HCG Info

Here's a chart that I found helpful... hope it helps you too

 

Weeks of pregnancy after last menstrual period Days after conception Approximate hCG levels for single baby pregnancy (mIU/ml) Week 3 7 0 to 5 Week 4 14 (next period due) 5 to 430 Week 5 21 180 to 7400 Week 6 28 1,100 to 56,500 Weeks 7 to 8 35 to 42 7,600 to 230,000 Weeks 9 to 12 49 to 70 25,300 to 290,000 Weeks 13 to 16 77 to 100 14,000 to 243,000 Weeks 17 to 24   4,000 to 165,000 Weeks 25 to birth of baby   3,200 to 90,000 4 to 6 weeks after birth   Less than 5