Outcomes at 3 Months After Planned Cesarean vs Planned Vaginal Delivery for Breech Presentation at Term<SUBTITLE>The International Randomized Term Breech Trial</SUBTITLE>
Bibliographic record
Abstract
CONTEXT: The Term Breech Trial found a significant reduction in adverse perinatal outcomes without an increased risk of immediate maternal morbidity with planned cesarean delivery compared with planned vaginal birth. No randomized controlled trial of planned cesarean delivery has measured benefits and risks of postpartum outcomes months after the birth. OBJECTIVE: To compare maternal outcomes of planned cesarean delivery and planned vaginal birth at 3 months post partum. DESIGN: Follow-up study to the Term Breech Trial, a randomized controlled trial conducted between January 9, 1997, and April 21, 2000. SETTING AND PARTICIPANTS: A total of 1596 of 1940 women from 110 centers worldwide who had a singleton fetus in breech presentation at term responded to a follow-up questionnaire at 3 months post partum. MAIN OUTCOME MEASURES: Breastfeeding; infant health; ease of caring for infant and adjusting to being a new mother; sexual relations and relationship with husband/partner; pain; urinary, flatal, and fecal incontinence; depression; and views regarding childbirth experience and study participation. RESULTS: Baseline information was similar for both the cesarean and vaginal delivery groups. Women in the planned cesarean delivery group were less likely to report urinary incontinence than those in the planned vaginal birth group (36/798 [4.5%] vs 58/797 [7.3%]; relative risk, 0.62; 95% confidence interval, 0.41-0.93). Incontinence of flatus was not different between groups but was less of a problem in the planned cesarean delivery group when it occurred (P =.006). There were no differences between groups in other outcomes. CONCLUSIONS: Planned cesarean delivery for pregnancies with breech presentation at term may result in a lower risk of incontinence and is not associated with an increased risk of other problems for women at 3 months post partum, although the effect on longer-term outcomes is uncertain.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.008 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.003 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.006 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".