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Table 2 Concentration of total hCG and hyperglycosylated hCG (hCG-H) in 496 serum samples from 310 women with term pregnancies measured using the Siemens Immulite 1000 total hCG assay

From: hCG, the wonder of today's science

Gestation age (weeks since start of menstrual period)

N

Median Total hCG ng/ml

Range Total hCG ng/ml (variation)

Median hCG-H ng/ml

Range hCG-H ng/ml (variation)

hCG-H %

3-weeks (3 weeks 0 days - 6 days)

n = 42

0.26 (16 of 42 < 0.1 ng/ml)

0.04 - 5.5

0.20(16 of 42 < 0.1 ng/ml)

0.01 - 6.45 (645X)

87%

4 weeks

n = 42

3.4

0.21 - 173 (824X)

2.5

0.18 - 160 (888X)

51%

5 weeks

n = 67

65

1.86 - 1308 (704X)

8.6

0.96 - 698 (731X)

43%

6-weeks

n = 29

252

3.80 - 855 (225X)

86

0.76 - 629 (827X)

36%

7 weeks

n = 30

3,278

203 - 7,766 (38X)

359

27 - 931 (34X)

16%

8 weeks

n = 33

4,331

1,064 - 10,057 (9.4X)

386

67 - 1050 (15.6X)

7.0%

9 weeks

n = 24

5,832

1,031 - 11,586 (11.2X)

430

102 - 1158 (11.3X)

5.1%

10 weeks

n = 20

10,352

1,952 - 19,958 (10.2X)

521

188 - 1855 (9.9X)

4.3%

11 - 13 weeks

n = 41

5,953

1,440 - 15,318 (10.6X)

137

24 - 330 (13.7X)

2.3%

14 - 17 weeks

n = 57

2,934

311 - 4,757 (15.2X)

26

6.7 - 129 (19.3X)

1.3%

18 - 26-weeks

n = 62

1,931

210 - 6,223 (30.3X)

15.8

5.3 - 95 (17.9X)

0.65%

27 - 40 weeks

n = 49

1,911

184 - 8,530 (46.4X)

2.95

0.3 - 12.2 (40.6X)

0.14%

  1. Data from 50 pregnancies that failed due to miscarriage were excluded from this table. Pregnancies which failed to implant in early pregnancy (total hCG < 0.1 ng/ml) are indicated in parenthesis