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Beta Scores for Successful* Twins Pregnancies
Days Past Ovulation
(What is this?)
| Median HCG Level
| Lowest HCG Level Reported
| Highest HCG Level Reported
| Number of women reporting a number for this day
|
|
10
| 24
| 5
| 289
| 17
|
|
11
| 60
| 13
| 1443
| 77
|
|
12
| 86
| 3
| 2583
| 218
|
|
13
| 147
| 5
| 4622
| 422
|
|
14
| 240
| 8
| 8270
| 756
|
|
15
| 376
| 11
| 14798
| 1612
|
|
16
| 566
| 18
| 4913
| 2047
|
|
17
| 839
| 12
| 6600
| 2087
|
|
18
| 1212
| 30
| 9289
| 2145
|
|
19
| 1716
| 40
| 12979
| 2026
|
|
20
| 2478
| 52
| 16384
| 1777
|
|
21
| 3607
| 70
| 23310
| 1531
|
|
22
| 5018
| 152
| 32625
| 1224
|
|
23
| 7100
| 107
| 36231
| 1028
|
|
24
| 9367
| 138
| 47639
| 802
|
|
25
| 12193
| 177
| 62640
| 659
|
|
26
| 15159
| 91
| 82364
| 539
|
|
27
| 18910
| 231
| 108300
| 447
|
|
28
| 24261
| 374
| 203398
| 391
|
|
29
| 30840
| 480
| 394836
| 332
|
|
30
| 34889
| 995
| 189191
| 276
|
* Pregnancies are deemed successful if a heartbeat is detected.