Beta Scores for Successful* Single Pregnancies From Women Aged 34 To 37

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	21	14	264	10
11	32	8	361	44
12	57	3	494	103
13	89	7	961	250
14	135	7	1666	562
15	200	4	1469	1247
16	306	9	2419	1687
17	436	8	3200	1837
18	647	12	4454	1894
19	953	18	7401	1879
20	1377	15	14683	1775
21	1936	11	19591	1593
22	2595	9	27865	1400
23	3484	109	35063	1253
24	4551	169	44122	1059
25	5775	200	55521	884
26	7272	219	69865	730
27	9069	241	87915	600
28	11616	275	89387	523
29	14274	314	131472	441
30	17451	359	233663	383

* Pregnancies are deemed successful if a heartbeat is detected.