Table 11b: Live Births by Gestation and Resident County, New York State - 2006

	Gestation in Weeks*
County	Total	<20	20-23	24-27	28-31	32-33	34-36	37-41	42+	Unknown
New York State
New York State	249,182	78	477	1,331	3,317	4,078	20,740	195,563	13,858	9,740
New York City
New York City	119,430	12	238	749	1,744	2,132	10,516	94,988	6,716	2,335
Bronx	22,548	3	54	154	353	432	1,995	17,930	1,312	315
Kings	40,388	5	85	256	576	668	3,605	32,145	2,284	764
New York	20,346	2	41	118	340	402	1,820	15,952	1,200	471
Queens	30,315	2	52	192	396	521	2,582	24,383	1,612	575
Richmond	5,833	0	6	29	79	109	514	4,578	308	210
Rest of State
Rest of State	129,752	66	239	582	1,573	1,946	10,224	100,575	7,142	7,405
Albany	3,126	2	10	16	39	36	215	2,441	130	237
Allegany	508	0	0	1	6	4	28	397	41	31
Broome	2,123	3	5	12	27	31	162	1,714	135	34
Cattaraugus	1,036	0	2	2	7	11	71	781	71	91
Cayuga	855	2	4	3	15	11	78	645	76	21
Chautauqua	1,494	1	8	6	16	18	120	1,139	97	89
Chemung	1,019	3	4	15	23	18	102	777	66	11
Chenango	533	0	0	3	1	6	35	446	29	13
Clinton	764	0	0	3	8	15	67	603	62	6
Columbia	596	1	1	4	8	7	39	466	46	24
Cortland	518	0	0	6	10	6	37	380	26	53
Delaware	479	0	0	4	7	6	38	370	40	14
Dutchess	3,046	1	8	17	32	38	233	2,356	171	190
Erie	9,966	9	32	46	126	140	723	7,485	460	945
Essex	363	0	1	0	1	6	29	292	22	12
Franklin	516	0	0	3	8	3	39	405	43	15
Fulton	599	0	2	1	7	11	39	470	38	31
Genesee	632	0	0	2	8	8	60	462	35	57
Greene	444	0	0	0	3	6	21	353	40	21
Hamilton	32	0	0	0	1	0	3	26	1	1
Herkimer	651	1	0	5	8	9	49	525	36	18
Jefferson	1,675	1	1	4	21	25	127	1,335	129	32
Lewis	327	0	0	0	3	3	29	265	12	15
Livingston	649	1	0	9	3	11	42	496	57	30
Madison	744	0	1	2	5	17	62	590	56	11
Monroe	8,885	3	23	52	121	128	619	6,635	530	774
Montgomery	596	0	0	3	8	4	33	439	54	55
Nassau	15,218	8	21	61	178	263	1,360	12,317	650	360
Niagara	2,206	1	2	7	29	22	189	1,749	113	94
Oneida	2,595	3	7	21	38	49	215	2,041	161	60
Onondaga	5,476	9	15	33	72	101	481	4,380	326	59
Ontario	1,138	0	2	2	21	15	63	875	104	56
Orange	5,433	0	7	13	46	60	378	3,940	325	664
Orleans	467	1	0	0	11	8	45	348	28	26
Oswego	1,377	1	2	7	20	24	130	1,076	98	19
Otsego	552	0	2	2	4	6	40	458	34	6
Putnam	1,039	0	1	7	5	13	92	850	55	16
Rensselaer	1,707	0	3	8	9	24	99	1,331	99	134
Rockland	4,608	2	3	21	33	49	243	2,915	212	1,130
St Lawrence	1,284	0	1	7	17	28	82	1,002	87	60
Saratoga	2,389	1	3	3	31	27	194	1,868	162	100
Schenectady	1,810	0	1	6	13	20	130	1,494	86	60
Schoharie	293	0	0	0	1	4	22	237	16	13
Schuyler	172	0	0	0	5	3	11	133	14	6
Seneca	366	0	0	2	5	3	19	289	34	14
Steuben	1,102	1	6	4	24	16	94	854	61	42
Suffolk	19,080	10	31	74	259	302	1,738	15,039	930	697
Sullivan	969	0	2	1	11	13	82	738	77	45
Tioga	600	0	0	2	8	9	48	486	31	16
Tompkins	844	0	1	5	15	13	60	654	61	35
Ulster	1,881	0	4	8	10	27	122	1,423	98	189
Warren	587	0	0	3	6	13	30	469	35	31
Washington	637	0	3	4	7	7	45	481	48	42
Wayne	1,130	0	1	6	15	18	77	842	101	70
Westchester	11,914	0	18	54	148	221	1,000	9,432	553	488
Wyoming	389	0	0	2	4	4	19	317	23	20
Yates	313	1	1	0	6	6	16	244	17	22

* Gestation in weeks is the number of days between the date of last menses and date of birth divided by 7.

Range of weeks reflects the number of completed weeks gestation. For example 36 weeks and 6 days would be in the 34-36 range.