TABLE 1.
Maternal and pregnancy characteristics by specific infertility diagnosis (OD/PCOS and TO)—2000–2006 NASS data linked with state live-birth records from Florida, Massachusetts, and Michigan.
| OD/PCOS (only) | TO (only) | |||
|---|---|---|---|---|
| n | Percent (95% CI) | n | Percent (95% CI) | |
| Total | 1,433 | 100.0 (8.5% of 16,876) | 3,294 | 100.0 (19.5% of 16,876) |
| Age | ||||
| <35 | 941 | 65.7 (62.7, 68.5) | 1,611 | 48.9 (45.1, 52.7) |
| ≥35 | 492 | 34.3 (31.5, 37.3) | 1,683 | 51.1 (47.3, 54.9) |
| Missing/unknowna | 0 | 0 | ||
| Race/ethnicity | ||||
| White | 1,224 | 85.4 (80.6, 89.2) | 2,451 | 74.4 (69.2, 79.0) |
| Black | 23 | 1.6 (1.1, 2.3) | 281 | 8.5 (7.1, 10.2) |
| Hispanic | 76 | 5.3 (2.5,11.0) | 374 | 11.4 (7.2, 17.4) |
| Otherb | 97 | 6.8 (5.4, 8.5) | 160 | 4.9 (3.7, 6.3) |
| Missing/unknowna | 13 | 0.9 | 28 | 0.9 |
| Education | ||||
| High school and less | 151 | 10.5 (8.7, 12.7) | 884 | 26.8 (24.2, 29.7) |
| Some college/college graduate | 854 | 59.6 (55.8, 63.3) | 1,866 | 56.6 (54.5, 58.8) |
| More than college | 421 | 29.4 (26.5, 32.4) | 514 | 15.6 (13.7, 17.7) |
| Missing/unknowna | 7 | 0.9 | 30 | 0.9 |
| Adequacy of prenatal care | ||||
| Adequate+ | 838 | 58.5 (55.7, 61.2) | 1,839 | 55.8 (53.9, 57.7) |
| Adequate | 422 | 29.4 (26.5, 32.6) | 1,039 | 31.5 (29.8, 33.3) |
| Intermediate | 80 | 5.6 (4.2, 7.4) | 194 | 5.9 (4.5, 7.6) |
| Inadequate | 28 | 2.0 (1.4, 2.8) | 67 | 2.0 (1.6, 2.5) |
| Missing/unknowna | 65 | 4.5 | 155 | 4.7 |
| Comorbid conditionc | ||||
| Preexisting hypertension | 449 | 31.3 (17.9, 48.9) | 1,291 | 39.2 (22.3, 59.1) |
| Gestational hypertension | 481 | 33.6 (21.0, 49.0) | 1,319 | 40.0 (24.3, 58.2) |
| Diabetes (gestational and preexisting) | 126 | 8.8 (6.7, 11.4) | 176 | 5.3 (4.5, 6.4) |
| Missing/unknowna | 82 | 5.7 | 80 | 2.4 |
| Plurality | ||||
| Singletons | 929 | 64.8 (62.0, 67.6) | 2,179 | 66.2 (63.7, 68.5) |
| Twins | 461 | 32.2 (29.8, 34.6) | 1,021 | 31.0 (28.7, 33.4) |
| ≥Triplets | 43 | 3.0 (2.2, 4.0) | 94 | 2.9 (2.2, 3.7) |
| Missing/unknowna | 0 | 0 | ||
| Delivery method | ||||
| Vaginal | 674 | 47.0 (43.7, 50.4) | 1,545 | 46.9 (44.4–49.4) |
| Cesarean section | 754 | 52.6 (49.2, 56.0) | 1,742 | 52.9 (50.4–55.4) |
| Missing/unknowna | 5 | 0.3 | 7 | 0.2 |
| Labor induction | ||||
| Yes | 193 | 13.5 (10.1, 17.7) | 412 | 12.5 (10.5, 14.8) |
| No | 936 | 65.3 (57.1, 72.7) | 2,039 | 61.9 (50.9, 71.8) |
| Missing/unknowna | 304 | 21.2 | 843 | 25.6 |
Note: Male infertility is not included.
a
We did not consider it necessary to provide the 95% CI for missing/unknown.
b
Massachusetts provided only four levels.
c
Not mutually exclusive and including only women with at least one of the comorbid conditions of interest.