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. Author manuscript; available in PMC: 2024 Jul 31.
Published in final edited form as: Am J Obstet Gynecol. 2016 Oct 20;216(2):185.e1–185.e10. doi: 10.1016/j.ajog.2016.10.011

TABLE 1.

Ratio of perinatal subspecialists per 10,000 live births by state and US Department of Health and Human Services region, 2012

Maternal-fetal medicine
Neonatologist
HHS region State Number Ratio Number Ratio

I United States 1880 4.8 4754 12.0

Connecticut 42 11.5 71 19.4

Maine 4 3.1 18 14.1

Massachusetts 53 7.3 127 17.5

New Hampshire 7 5.7 15 12.1

Rhode Island 11 10.1 17 15.6

Vermont 6 10.0 8 13.3

Regional 123 8.1 256 16.9

II New Jersey 79 7.6 160 15.4

New York 194 8.1 351 14.6

Regional 273 7.9 511 14.8

III Delaware 8 7.3 19 17.2

District of Columbia 13 13.8 61 64.9

Maryland 40 5.5 108 14.8

Pennsylvania 103 7.2 251 17.6

Virginia 36 3.5 128 12.4

West Virginia 3 1.4 20 9.6

Regional 203 5.6 587 16.3

IV Alabama 25 4.3 45 7.7

Florida 76 3.6 292 13.7

Georgia 47 3.6 108 8.3

Kentucky 29 5.2 63 11.3

Mississippi 10 2.6 33 8.5

North Carolina 53 4.4 138 11.5

South Carolina 22 3.8 58 10.1

Tennessee 31 3.9 97 12.1

Regional 293 3.9 834 11.1

V Illinois 80 5.0 241 15.1

Indiana 24 2.9 108 13.0

Michigan 59 5.2 119 10.5

Minnesota 8 1.2 70 10.2

Ohio 77 5.6 175 12.6

Wisconsin 26 3.9 78 11.6

Regional 274 4.3 791 12.6

VI Arkansas 7 1.8 29 7.6

Louisiana 21 3.4 66 10.5

New Mexico 16 5.9 40 14.8

Oklahoma 11 2.1 43 8.2

Texas 149 3.9 407 10.6

Regional 204 3.6 585 10.4

VII Iowa 15 3.9 48 12.4

Kansas 10 2.5 23 5.7

Missouri 46 6.1 133 17.6

Nebraska 13 5.0 17 6.6

Regional 84 4.7 221 12.2

VIII Colorado 29 4.4 65 10.0

Montana 3 2.5 7 5.8

North Dakota 1 1.0 12 11.9

South Dakota 4 3.3 12 9.9

Utah 21 4.1 47 9.1

Wyoming 0 0.0 1 1.3

Regional 58 3.7 144 9.1

IX Arizona 38 4.4 64 7.4

California 200 4.0 598 11.9

Hawaii 6 3.2 22 11.6

Nevada 24 6.9 21 6.0

Regional 268 4.2 705 10.9

X Alaska 3 2.7 6 5.4

Idaho 5 2.2 13 5.7

Oregon 38 8.4 43 9.5

Washington 54 6.2 58 6.6

Regional 100 6.0 120 7.2

Data sources included the following: live births, US Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, Division of Vital Statistics; natality public use data 2012 subspecialists, national provider index, October 2013.

HHS, Health and Human Services.