State-Specific Assisted Reproductive Technology Surveillance, United States: 2021 Data Brief

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TABLE 2. Number of assisted reproductive technology embryo-transfer procedures, average number of embryos transferred, and the percentage of single embryo transfer procedures performed in 2021, by female patient’s age group and reporting area of residence at time of treatment in 50 US states, the District of Columbia, and Puerto Rico
TABLE 2. Number of assisted reproductive technology embryo-transfer procedures, average number of embryos transferred, and the percentage of single embryo transfer procedures performed in 2020, by female patient’s age group and reporting area of residence at time of treatment in 50 US states, the District of Columbia, and Puerto Rico
<35 years 35–37 years 38–40 years >40 years
Patient’s reporting area of residencea No. of embryo-transfer proceduresb Average no. of embryos transferred SET % No. of embryo-transfer procedures Average no. of embryos transferred SET % No. of embryo-transfer procedures Average no. of embryos transferred SET % No. of embryo-transfer procedures Average no. of embryos transferred SET %
Alabama 545 1.2 82.2 197 1.2 81.7 114 1.3 71.9 110 1.4 69.1
Alaska 72 1.2 84.7 47 1.2 76.6 38 1.2 84.2 29 1.1 86.2
Arizona 1,283 1.3 73.4 672 1.3 76.6 592 1.3 73.1 483 1.3 74.1
Arkansas 380 1.2 78.4 146 1.3 76.0 74 1.3 71.6 51 1.5 68.6
California 6,792 1.1 86.5 6,096 1.1 87.9 5,601 1.2 83.5 6,044 1.4 77.2
Colorado 1,185 1.1 87.0 883 1.1 88.0 632 1.1 88.4 485 1.2 85.4
Connecticut 1,265 1.1 91.0 779 1.2 83.7 631 1.2 78.6 618 1.4 73.3
Delaware 380 1.1 94.2 184 1.1 89.7 143 1.1 93.7 125 1.2 83.2
District of Columbia 291 1.0 95.9 332 1.1 94.0 346 1.1 89.9 311 1.3 83.9
Florida 3,481 1.2 84.0 2,164 1.2 80.7 1,755 1.2 76.4 1,805 1.3 76.7
Georgia 1,971 1.2 84.4 1,249 1.2 82.6 977 1.2 79.4 970 1.3 77.3
Hawaii 237 1.3 72.6 215 1.4 65.6 209 1.5 61.2 276 1.5 60.5
Idaho 360 1.3 72.8 153 1.3 72.5 101 1.2 78.2 91 1.3 72.5
Illinois 4,463 1.1 86.1 2,759 1.2 84.3 2,147 1.2 77.7 1,860 1.4 73.1
Indiana 1,373 1.2 78.2 564 1.2 77.3 360 1.3 71.9 284 1.3 69.0
Iowa 921 1.2 83.1 347 1.2 82.4 234 1.2 79.9 163 1.3 73.0
Kansas 617 1.1 86.1 248 1.1 88.3 169 1.2 84.0 96 1.2 81.3
Kentucky 871 1.2 78.2 344 1.3 73.0 235 1.4 66.0 145 1.3 70.3
Louisiana 736 1.1 87.9 373 1.2 84.7 224 1.3 78.1 172 1.4 70.9
Maine 241 1.1 87.1 148 1.1 89.2 107 1.2 83.2 67 1.2 85.1
Maryland 2,044 1.1 93.1 1,347 1.1 93.2 1,166 1.2 83.3 1,182 1.2 82.1
Massachusetts 3,329 1.1 90.8 2,539 1.1 87.6 2,104 1.3 72.2 1,545 1.5 68.5
Michigan 2,095 1.3 65.9 982 1.4 65.6 697 1.4 65.9 650 1.4 70.2
Minnesota 1,544 1.2 80.4 859 1.2 80.7 547 1.2 78.1 417 1.2 80.6
Mississippi 365 1.1 91.5 151 1.1 90.1 85 1.2 75.3 76 1.1 86.8
Missouri 1,213 1.1 86.2 559 1.1 85.9 356 1.2 79.5 227 1.4 70.5
Montana 200 1.1 90.0 59 1.2 86.4 60 1.1 95.0 41 1.2 78.0
Nebraska 563 1.3 71.8 199 1.2 75.4 104 1.2 79.8 75 1.2 82.7
Nevada 562 1.2 77.2 337 1.2 84.9 306 1.2 82.7 227 1.3 78.0
New Hampshire 426 1.1 92.5 286 1.1 86.0 167 1.4 67.1 139 1.4 74.8
New Jersey 4,333 1.1 93.3 2,762 1.1 91.2 2,073 1.1 88.2 1,875 1.3 81.9
New Mexico 245 1.2 83.3 91 1.1 86.8 70 1.2 87.1 63 1.2 85.7
New York 7,477 1.1 87.0 5,088 1.2 84.5 4,955 1.2 79.4 5,562 1.4 72.6
North Carolina 2,208 1.1 89.4 1,250 1.1 85.6 859 1.2 85.7 751 1.2 81.4
North Dakota 212 1.2 84.0 78 1.3 75.6 43 1.3 74.4 23 1.3 73.9
Ohio 2,792 1.1 88.9 1,242 1.1 85.7 850 1.2 78.5 642 1.3 74.1
Oklahoma 635 1.2 75.9 274 1.3 74.8 149 1.5 61.7 95 1.4 72.6
Oregon 590 1.3 74.9 464 1.2 79.7 372 1.2 78.8 347 1.2 80.4
Pennsylvania 3,365 1.1 92.5 1,948 1.1 91.0 1,321 1.2 83.9 1,023 1.2 81.5
Puerto Rico 131 1.8 27.5 107 1.7 43.0 106 1.6 46.2 108 1.7 37.0
Rhode Island 356 1.1 89.0 225 1.1 86.7 184 1.4 63.6 150 1.5 68.0
South Carolina 980 1.1 89.7 473 1.1 89.2 360 1.2 83.3 262 1.2 82.1
South Dakota 204 1.4 62.3 76 1.4 55.3 33 1.3 69.7 24 1.5 62.5
Tennessee 932 1.1 85.8 502 1.2 84.1 339 1.2 78.8 282 1.3 72.7
Texas 6,727 1.1 85.9 3,743 1.1 85.9 2,938 1.2 84.0 2,366 1.2 80.5
Utah 1,356 1.2 78.5 472 1.2 80.7 303 1.2 76.6 295 1.3 74.2
Vermont 133 1.2 78.9 107 1.5 65.4 91 1.5 57.1 61 1.7 62.3
Virginia 2,134 1.1 91.1 1,423 1.1 89.6 1,225 1.1 86.8 1,167 1.2 84.7
Washington 1,703 1.1 88.0 1,175 1.1 87.8 891 1.2 83.6 860 1.2 85.6
West Virginia 225 1.2 84.0 81 1.1 87.7 48 1.3 68.8 44 1.3 72.7
Wisconsin 1,163 1.2 83.1 576 1.2 81.6 394 1.3 76.6 276 1.4 66.3
Wyoming 84 1.2 76.2 41 1.1 90.2 30 1.2 83.3 25 1.4 68.0
Non-US residents 900 1.2 83.0 680 1.2 81.9 731 1.2 83.4 1,624 1.2 84.4
Total 78,690 1.1 85.8 48,096 1.2 85.1 38,646 1.2 80.3 36,689 1.3 76.8
SET = single-embryo transfer. In SET, only one embryo is placed in the uterus per transfer regardless of how many embryos were available.
a In cases of missing patient’s residence data (1.8%), it was assigned as the location where the ART procedure was performed.
b Includes all procedures in which at least one embryo was transferred.
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