Table 4.
Composite Maternal Morbidity by Infertility Treatment Stratified by Education Level
| Outcome | Total Live Births | n | Rate/1,000 Live Births | Adjusted RR (95% CI) | |
|---|---|---|---|---|---|
| Bachelors+ | Total | 142,943 | 1,448 | 10.1 | |
| IUI/IFM | 47,457 | 308 | 6.5 |
0.56 (0.49–0.63) |
|
| IVF | 95,486 | 1,140 | 11.9 | Ref | |
| Without college degree | Total | 47,501 | 445 | 9.4 | |
| IUI/IFM | 21,288 | 142 | 6.7 |
0.58 (0.47–0.71) |
|
| IVF | 26,213 | 303 | 11.6 | Ref |
RR, relative risk; CI, confidence interval; ICU, intensive care unit; IUI, intrauterine insemination; IFM, infertility medications
Notes: 101 individuals were excluded due to missing information on maternal morbidity Adjusted for maternal age (< 35 vs. 35+), race and ethnicity, marital status, neonatal sex, and birth year