Table 11c: Live Births by Obstetric Estimate of Gestation in Weeks and Resident County, New York State - 2021

County  Gestation in Weeks1
Total < 20 20-23 24-27 28-31 32-33 34-36 37-38 39-41 42+ Unknown
New York State
New York State 209,947 40 294 875 1,844 2,446 14,729 55,208 132,564 652 1,295
New York City
New York City 92,523 9 114 410 826 1,070 6,667 25,102 58,027 271 27
Bronx 16,834 3 36 127 178 250 1,384 4,828 10,013 9 6
Kings 33,384 1 36 113 307 355 2,168 8,253 21,937 205 9
New York 13,696 0 12 43 99 148 944 3,794 8,632 19 5
Queens 23,622 3 23 109 197 269 1,780 6,742 14,459 35 5
Richmond 4,987 2 7 18 45 48 391 1,485 2,986 3 2
Rest of State
Rest of State 117,424 31 180 465 1,018 1,376 8,062 30,106 74,537 381 1,268
Albany 2,925 1 7 13 40 33 204 744 1,860 17 6
Allegany 498 0 0 1 4 9 35 124 303 2 20
Broome 1,842 0 4 11 18 17 131 458 1,195 6 2
Cattaraugus 793 0 3 0 6 10 43 209 440 1 81
Cayuga 659 1 0 2 15 8 39 141 446 1 6
Chautauqua 1,253 0 3 3 17 11 102 327 742 3 45
Chemung 821 0 1 3 11 9 47 207 542 1 0
Chenango 473 0 0 3 3 3 29 94 337 0 4
Clinton 663 0 0 1 5 4 52 150 444 0 7
Columbia 476 0 0 1 6 5 30 125 303 2 4
Cortland 423 0 0 3 5 3 16 106 274 2 14
Delaware 361 0 0 3 6 5 19 79 246 3 0
Dutchess 2,641 1 1 13 26 41 190 643 1,714 3 9
Erie 9,516 9 24 47 104 133 767 2,713 5,687 22 10
Essex 267 0 0 3 0 2 19 71 165 1 6
Franklin 451 0 0 3 4 2 44 109 276 0 13
Fulton 487 0 0 0 6 12 36 111 319 3 0
Genesee 539 0 0 1 5 8 37 136 348 3 1
Greene 390 0 0 2 3 1 24 85 271 2 2
Hamilton 31 0 0 0 0 0 3 3 25 0 0
Herkimer 565 0 5 1 4 3 27 128 386 1 10
Jefferson 1,803 0 3 6 16 23 138 519 1,069 7 22
Lewis 290 0 1 1 0 6 20 69 184 3 6
Livingston 523 0 0 1 7 5 27 119 358 0 6
Madison 544 0 1 1 4 8 39 147 328 2 14
Monroe 7,718 3 15 32 82 107 593 2,101 4,747 33 5
Montgomery 578 1 1 4 6 5 31 120 380 15 15
Nassau 14,199 1 18 48 104 183 967 3,840 9,006 10 22
Niagara 1,986 3 6 13 23 26 172 555 1,185 2 1
Oneida 2,431 2 9 7 17 31 193 660 1,496 10 6
Onondaga 4,892 2 12 22 58 76 345 1,226 3,133 14 4
Ontario 979 1 2 6 6 7 73 255 622 4 3
Orange 5,617 1 11 28 41 46 300 1,230 3,755 35 170
Orleans 396 0 0 0 5 7 31 101 249 0 3
Oswego 1,137 0 1 3 12 15 80 268 735 2 21
Otsego 490 0 0 1 3 5 24 91 345 4 17
Putnam 915 0 1 2 7 15 63 229 596 0 2
Rensselaer 1,481 0 2 3 17 17 101 346 985 2 8
Rockland 6,386 1 3 23 34 45 269 1,258 4,178 48 527
St Lawrence 1,014 0 0 2 12 7 52 204 660 6 71
Saratoga 2,123 1 3 4 14 24 136 542 1,383 7 9
Schenectady 1,774 0 6 10 20 33 118 412 1,166 7 2
Schoharie 265 0 0 1 0 2 13 58 187 2 2
Schuyler 172 0 1 1 0 1 11 43 113 2 0
Seneca 344 0 0 1 2 5 13 60 255 5 3
Steuben 986 0 0 4 5 10 60 248 651 4 4
Suffolk 15,872 2 16 63 106 188 1,189 4,396 9,864 28 20
Sullivan 975 0 0 4 7 7 58 256 627 14 2
Tioga 464 0 0 3 4 5 30 109 309 1 3
Tompkins 701 0 1 1 7 3 35 175 466 4 9
Ulster 1,575 1 3 10 10 21 127 379 1,010 8 6
Warren 523 0 1 1 4 7 33 133 344 0 0
Washington 558 0 0 2 4 7 54 135 349 3 4
Wayne 878 0 1 5 7 8 62 210 574 9 2
Westchester 10,059 0 12 35 78 96 682 2,674 6,438 13 31
Wyoming 358 0 2 2 4 2 18 103 226 1 0
Yates 344 0 0 1 4 4 11 72 241 3 8

1 Gestation in weeks based on 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.