Table 11b: Live Births by Calculated Gestation in Weeks and Resident County, New York State 2017

County  Gestation in Weeks*
Total < 20 20-23 24-27 28-31 32-33 34-36 37-38 39-41 42+ Unknown
New York State
New York State 228,501 63 339 1,003 2,207 2,780 16,523 54,703 140,818 9,620 445
New York City
New York City 110,682 13 138 516 1,081 1,265 7,893 27,709 67,900 4,156 11
Bronx 20,246 2 30 128 253 285 1,531 5,254 12,020 743 0
Kings 39,068 0 39 170 338 425 2,720 9,426 24,500 1,444 6
New York 17,142 2 19 51 166 190 1,139 4,274 10,734 564 3
Queens 28,872 9 36 143 267 305 2,100 7,399 17,454 1,157 2
Richmond 5,354 0 14 24 57 60 403 1,356 3,192 248 0
Rest of State
Rest of State 117,819 50 201 487 1,126 1,515 8,630 26,994 72,918 5,464 434
Albany 3,177 3 7 16 36 49 237 752 1,959 117 1
Allegany 486 2 0 3 6 9 34 114 276 30 12
Broome 1,976 2 2 10 24 27 166 415 1,257 69 4
Cattaraugus 817 0 0 4 5 13 48 195 423 54 75
Cayuga 781 0 2 4 10 12 39 142 496 74 2
Chautauqua 1,349 0 3 1 13 13 105 293 820 65 36
Chemung 898 1 2 6 9 11 58 182 577 52 0
Chenango 489 0 0 1 3 11 24 84 332 28 6
Clinton 711 0 1 1 4 5 40 120 496 40 4
Columbia 507 0 3 3 6 8 39 110 301 27 10
Cortland 480 0 1 0 6 7 33 100 296 27 10
Delaware 359 0 0 1 5 3 20 79 233 17 1
Dutchess 2,596 0 4 8 32 36 189 603 1,621 99 4
Erie 9,849 5 16 55 109 152 764 2,330 5,969 402 47
Essex 283 0 0 1 3 4 19 70 166 19 1
Franklin 440 0 0 2 1 3 25 102 272 22 13
Fulton 538 0 0 0 2 6 44 104 341 41 0
Genesee 551 0 1 1 5 7 25 143 344 24 1
Greene 386 0 0 0 6 2 37 105 219 17 0
Hamilton 27 0 0 0 0 1 1 4 19 1 1
Herkimer 588 0 1 1 4 5 44 114 380 35 4
Jefferson 2,005 3 6 8 15 17 139 404 1,288 115 10
Lewis 335 0 0 1 4 4 21 50 237 15 3
Livingston 502 0 1 4 1 4 27 96 338 31 0
Madison 672 0 1 4 5 12 42 137 427 26 18
Monroe 7,884 6 18 38 102 106 566 1,767 4,889 390 2
Montgomery 615 0 0 2 6 9 43 101 411 34 9
Nassau 14,184 3 14 64 140 200 1,087 3,538 8,601 533 4
Niagara 2,116 0 2 5 18 34 158 541 1,260 93 5
Oneida 2,566 1 7 14 26 30 197 533 1,615 140 3
Onondaga 5,061 1 11 29 49 45 352 1,035 3,276 263 0
Ontario 976 0 7 0 5 19 57 192 634 59 3
Orange 5,085 0 9 19 48 49 332 1,057 3,313 252 6
Orleans 411 0 3 2 4 3 28 68 273 29 1
Oswego 1,247 4 6 5 14 12 79 254 788 69 16
Otsego 487 0 1 0 3 8 43 89 302 27 14
Putnam 798 1 0 5 8 7 52 211 489 23 2
Rensselaer 1,562 0 5 11 20 16 125 360 957 67 1
Rockland 5,474 1 3 15 44 44 334 1,060 3,675 295 3
St Lawrence 1,027 0 2 6 8 9 74 208 600 59 61
Saratoga 2,145 1 4 4 17 24 134 455 1,410 95 1
Schenectady 1,725 0 6 5 22 20 113 400 1,099 60 0
Schoharie 245 0 0 0 2 0 12 54 158 19 0
Schuyler 162 1 1 1 2 2 7 27 109 9 3
Seneca 340 0 1 1 0 4 14 65 224 31 0
Steuben 997 0 2 3 8 7 79 193 632 72 1
Suffolk 15,334 8 23 67 134 234 1,257 3,938 8,949 718 6
Sullivan 797 0 0 4 6 5 56 177 503 44 2
Tioga 431 0 0 0 1 6 29 92 289 14 0
Tompkins 767 0 1 1 6 7 43 178 477 52 2
Ulster 1,468 1 1 4 6 19 115 306 920 95 1
Warren 542 0 0 4 7 14 40 110 338 29 0
Washington 526 1 0 3 0 9 29 121 317 44 2
Wayne 949 0 4 4 15 14 53 203 606 49 1
Westchester 10,429 5 18 34 86 133 864 2,683 6,285 313 8
Wyoming 347 0 1 2 2 2 19 74 223 21 3
Yates 320 0 0 0 3 3 19 56 209 19 11

* Gestation in weeks is either computed from the date of last menses or taken from clinical estimate. See Technical Notes for details.

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