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HCG BLOOD WORK LEVELS

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The numbers I used below for the Avg. High & Low numbers are for normal singleton pregnancy. They came from a group of 53 woman. This is a very small group, so if your numbers are different from these it is O.K. in no way do all woman have the same numbers we are just to different. I think it is nice to have something to compare to though. I hope that this is helpful. For more information on these numbers visit the website Early Pregnancy there is a link to it on the homepage.

There is a common misconception out there that HCG should double every 24 hours and if it dosn't something is wrong. The following is a guide to how it does double. Remember that even if you numbers dont double exactly as listed below that dosnt mean much. There have been many woman carry a pg to term when the numbers were super low and took a long time to double. Nothing is definite.
For HCG levels <1,200mIU/ml, the expected doubling time is 48-72 hours.
For HCG levels 1,200-6,000mIU/ml, the expected doubling time is 72-96 hours.
For HCG levels >6,000mIU/ml, the expected doubling time is >96 hours.

For those of you who would like the numbers for normal twin pregnancy scroll all the way to the bottom. The woman in this group was even smaller only 29 normal twin pregnancy.

Key to reading the columns below:

(DPO) Days Past Ovulation
(LMP)Last Menstrual Period
(WPO) Weeks Past Ovulation

DPO

7

10

12

14

15

16

17

18

19

20

21

22

23

24

Average
mIU/ml

0-5

25

48

50

59

95

132

292

303

522

1,061

1,287

2,276

2,637

High
mIU

00

00

00

119

147

223

429

514

758

1,690

4,140

3,279

4,660

10,000

Low
mIU

00

00

00

17

17

33

17

70

111

135

24

185

506

540

Here are the averages dated by WP LMP, WPO, & DPO. With the average HCG that is considered normal.

WP LMP
3

4

5

6

7-8

9-12

13-16

17-24

25-40
WPO
1

2

3

4

5-6

7-10

11-13

14-21

22-38
DPO
7-13

14-20

21-27

28-34

35-42

49-70

77-97

98-147

154-266
HCG mIU
5-50

10-424

19-7,340

1,080-56,500

7,650-229,000

25,700-288,000

13,300-254,000

4,060-165,400

3,640-117,000

Here are the average levels with low and high for twin pregnancy. Remember these numbers are only a loose guide. If your numbers are different dont worry.

DPO
14

15

16

17

18

19

21

22

25

31

56
Average
68

38

146

154

360

499

963

19,200

58,344

126,000

414,000
High
313

159

803

542

1,760

2,509

5,859

36,000

108,000

180,000

480,000
Low
56

26

112

52

200

215

632

2,400

8,700

72,000

348,000