TABLE 11. Percentage of reported abortions, by known weeks of gestation and year — selected reporting areas,* United States, 2012–2021.
| Weeks of gestation | Year |
% Change |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2020 to 2021 | 2012 to 2021 | |
|
≤13 weeks’ gestation†
|
91.7
|
91.9
|
91.3
|
91.3
|
91.3
|
91.5
|
91.8
|
92.3
|
92.7
|
92.9
|
0.2
|
1.3
|
| ≤6 |
35.0 |
34.7 |
33.6 |
34.2 |
34.3 |
35.3 |
36.5 |
37.9 |
39.6 |
39.5 |
−0.3 |
12.9 |
| 7–9 |
39.8 |
40.3 |
40.4 |
40.4 |
40.7 |
40.7 |
40.1 |
40.0 |
39.6 |
39.6 |
0.0 |
−0.5 |
| 10–13 |
16.9 |
17.0 |
17.3 |
16.7 |
16.3 |
15.5 |
15.2 |
14.4 |
13.5 |
13.7 |
1.5 |
−18.9 |
|
>13 weeks’ gestation†
|
8.3
|
8.1
|
8.7
|
8.7
|
8.7
|
8.5
|
8.2
|
7.7
|
7.3
|
7.1
|
−2.7
|
−14.5
|
| 14–15 |
3.4 |
3.3 |
3.5 |
3.4 |
3.5 |
3.3 |
3.3 |
3.1 |
3.0 |
2.9 |
−3.3 |
−14.7 |
| 16–17 |
1.8 |
1.8 |
2.1 |
2.1 |
2.1 |
2.1 |
2.0 |
1.8 |
1.7 |
1.7 |
0.0 |
−5.6 |
| 18–20 |
1.9 |
1.8 |
1.9 |
1.9 |
2.0 |
1.9 |
1.9 |
1.7 |
1.6 |
1.6 |
0.0 |
−15.8 |
| ≥21 |
1.3 |
1.2 |
1.3 |
1.3 |
1.2 |
1.2 |
1.1 |
1.1 |
1.0 |
1.0 |
0.0 |
−23.1 |
| Total (no.)§ | 426,097 | 406,782 | 396,891 | 387,407 | 380,192 | 368,044 | 368,572 | 373,569 | 362,248 | 378,395 | NA | NA |
Abbreviation: NA = not applicable.
* Data from 35 reporting areas; excludes 17 areas (California, Connecticut, District of Columbia, Florida, Illinois, Maine, Maryland, Massachusetts, Nebraska, New Hampshire, New Jersey, New York State, Pennsylvania, Rhode Island, Tennessee, Wisconsin, and Wyoming) that did not report, did not report by weeks of gestation, or did not meet reporting standards for ≥1 year.
† Percentages for the individual component categories might not add to 100% because of rounding.
§ By year, the total number of abortions represent 72.3%–91.1% of all abortions reported to CDC among the areas that met reporting standards for gestational age during 2012–2021.