PREGNANCY STATUS SERUM hCG LEVELS also check this out as well hope this helps
hcg artical
from conception from LMP (mIU/ML or IU/L)
7 days 3 weeks 0 to 5
14 days 28 days 3 to 426
21 days 35 days 18 to 7,340
28 days 42 days 1080 to 56,500
35 - 42 days 49 - 56 days 7,650 to 229,000
43 - 64 days 57 - 78 days 25,700 to 288,000
57 - 78 days 79 - 100 days 13,300 to 253,000
17 - 24 weeks 2nd trimester 4060 to 65,400
25 wks to term 3rd trimester 3640 to 117,000
After several days postpartum nonpregnant levels (<5)"
"Results in Twin Gestation"
"Quanitative serum hCG tests detect multiple pregnancy approximately 9 weeks earlier than ultrasound. One small study (Jovanovic, 1977) found hCG levels in 15 singleton and 9 twin pregnancies were as follows:
DAYS FROM LMP hCG in SINGLTON AVERAGE GESTATION RANGE hCG in AVERAGE TWIN GESTATION RANGE
28 64.7 9.4 to 120 64.7 9.5 to 120
33 450 300 - 600 1,500 200 to 1,800
36 1,500 1,200 - 1,800 19,200 2,400 to 36,000
40 3,600 2,400 - 4,800 58,344 8,700 to 108,000
45 36,000 12,000 - 60,000 126,000 72,000 to 180,000
70 120,000 96,000 - 144,000 414,000 348,000 to 480,000"
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heres one i found so far.
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