Supplementary Table 2. GDP per capita of USA states and the reported data about ART cycles and pregnant/delivery rate in 2012.
States	GDP PER CAPITA (10 thousand dollars)	ART cycles	PR (%) Pregnancies/ART	DR (%) Pregnancies/ART
Alabama	3.26	873	40.8	34.1
Alaska	6.12	207	34.8	27.5
Arizona	3.52	2261	39.2	30.9
Arkansas	3.18	492	38.4	32.5
California	4.6	20241	41.9	33.6
Colorado	4.62	1705	58.8	49.6
Connecticut	5.49	3148	35.7	28.4
Delaware	6.12	585	39.0	32.5
District of Columbia	14.6	1228	32.4	25.1
Florida	3.48	6785	38.7	31.5
Georgia	3.77	3176	45.2	37.2
Hawaii	4.44	886	40.1	32.5
Idaho	3.19	399	52.6	44.9
Illinois	4.62	10449	36.3	29.6
Indiana	3.91	1729	37.2	32.0
Iowa	4.22	1225	48.8	39.2
Kansas	4.11	689	45.3	39.2
Kentucky	3.35	1172	41.0	34.9
Louisiana	4.31	1013	47.1	30.9
Maine	3.46	506	27.5	21.3
Maryland	4.67	5770	39.8	31.7
Massachusetts	5.32	9754	35.5	28.6
Michigan	3.53	3532	38.8	31.3
Minnesota	4.7	2130	47.7	40.4
Mississippi	2.89	461	37.1	31.5
Missouri	3.68	1847	41.2	34.1
Montana	3.32	210	47.1	38.6
Nebraska	4.49	649	37.3	30.7
Nevada	4.1	914	45.2	37.0
New Hampshire	4.3	817	37.7	30.5
New Jersey	4.94	8590	41.9	34.1
New Mexico	3.39	359	42.6	35.9
New York	5.31	19618	34.0	27.0
North Carolina	4.03	3219	44.2	36.1
North Dakota	5.53	239	43.5	36.8
Ohio	3.77	3601	42.0	35.0
Oklahoma	3.63	759	47.8	39.3
Oregon	4.81	1104	49.6	43.8
Pennsylvania	4.01	5984	37.1	30.0
Rhode Island	4.17	699	34.6	28.2
South Carolina	3.19	791	44.8	36.4
South Dakota	4.32	257	43.2	35.8
Tennessee	3.73	1234	40.8	34.0
Texas	4.65	10281	45.5	37.8
Utah	3.92	1398	49.1	40.9
Vermont	3.82	220	35.5	30.5
Virginia	4.71	5642	36.0	28.4
Washington	4.71	3301	41.2	34.5
West Virginia	3.04	263	40.3	37.3
Wisconsin	3.93	1657	43.9	37.3
Wyoming	5.43	88	54.5	45.5