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	27	1	818	65
11	40	3	807	225
12	68	5	1443	426
13	122	7	2583	805
14	208	14	4622	1756
15	268	14	14798	2253
16	404	3	2828	2381
17	592	3	5780	2304
18	821	12	9289	2137
19	1191	40	12979	1974
20	1692	57	14606	1650
21	2532	98	18604	1436
22	3526	84	24062	1146
23	5047	84	35558	984
24	6842	107	51800	788
25	9040	138	67158	652
26	11843	177	217800	548
27	15005	227	66705	470
28	19609	291	104779	426
29	24336	480	394836	331
30	28820	480	189191	297