Abortions Occur at the Following Gestational Times
| 23% |
in the first 6 weeks -- 301,300 annually |
| 34.5% |
in the seventh or eighth week -- 451,950 annually |
| 19.5% |
in the ninth or tenth week -- 255,450 annually |
| 10% |
in the eleventh or twelfth week -- 131,000 annually |
| 6.0% |
in the thirteenth through fifteenth weeks -- 78,600 annually |
| 4.5% |
in the sixteenth through twentieth weeks -- 58,950 annually |
| 1.5% |
at twenty-one weeks or more -- 19,650 annually |
Sources: The Alan Guttmacher Institute, “An Overview of Abortion in the United States” (2003).
4. Elam-Evans L et al., “Abortion surveillance–United States, 2000”, Morbidity and Mortality Weekly Report, 2003, 52(SS 12).