treatment and delivery mode. Propensity score matching was used to select exact matched controls from a random 5% spontaneous conception pool.
Poster Session V
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treatment and delivery mode. Propensity score matching was used to select exact matched controls from a random 5% spontaneous conception pool. Neonatal&maternal complications were used to create composite scores. Bonferroni was used to compare frequencies, and logistic regression to calculate adjusted (by maternal age, race, parity, BMI, weight gain) odds ratios, using vaginal delivery after spontaneous conception as reference. RESULTS: 19,862 cases & 17,864 controls were identiļ¬ed. More cesareans after labor occurred in the treated group (60.4% vs. 39.6%,p