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	29	2	243	15
11	52	2	173	46
12	78	4	816	87
13	170	10	486	157
14	253	23	1564	279
15	356	16	2010	343
16	534	16	3217	356
17	848	21	5586	335
18	1181	22	8060	296
19	1658	51	7998	257
20	2386	51	14500	222
21	3417	70	13287	181
22	5000	96	21538	150
23	7014	182	36100	126
24	9973	479	51040	103
25	14989	709	47640	84
26	17000	1050	68000	64
27	20893	1555	60064	57
28	27141	2302	85215	49
29	36197	4129	124831	43
30	48446	6070	107564	31