The Association Between the Time From Oxytocin Cessation During Labor to Cesarean Delivery and Postpartum Blood Loss: A Retrospective Cohort Study
Bibliographic record
Abstract
( Can J Anaesth . 2017;64(8):820–827) Despite the use of prophylactic agents like oxytocin, the rise in postpartum hemorrhage (PPH) between 2003 and 2010 has been attributed to postpartum uterine atony. Oxytocin reduces PPH by up to 60% when used during the third stage of labor. However, oxytocin is associated with an increased risk of PPH secondary to uterine atony when used for labor augmentation that results in prolonged infusions or high doses. Myometrial oxytocin receptors (OTRs) may be less responsive to oxytocin administered to prevent PPH because the OTRs have become desensitized when exposed to oxytocin during labor augmentation. It is unclear if OTRs can become resensitized after a cessation of oxytocin. This study aimed to assess the association between blood loss and the interval of time between discontinuing oxytocin and cesarean delivery (CD).
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".