Systematic review of the evidence for resolution of common breastfeeding problems—Ankyloglossia (Tongue Tie)
Bibliographic record
Abstract
AIM: Tongue tie is a common problem affecting breastfeeding due to poor infant latch and/or maternal pain. Evidence of whether treatment improves breastfeeding outcomes is conflicting. We conducted a systematic review and meta-analysis to examine the effectiveness of tongue-tie treatment on breastfeeding difficulties. METHODS: We searched peer-reviewed and grey literature in MEDLINE (OVID), PubMed, CINAHL Plus, EMBASE and PsycINFO, from 01/1970 to 09/2019. INCLUSION: randomised and non-randomised clinical trials, and quasi-experimental study designs, involving breastfeeding interventions for full-term singleton infants, using standardised measure of breastfeeding difficulty. EXCLUSION: qualitative and purely observational studies, lacked operational definition of breastfeeding difficulty, lacked control/comparison group. We assessed risk of bias, summarised study quality and results and conducted meta-analysis using random effects modelling. RESULTS: Six studies on tongue-tie division were included (4 randomised and 2 non-randomised). Meta-analysis of standardised mean differences in breastfeeding difficulty scores in four studies showed statistically significant differences in favour of frenotomy (Pooled SMD +2.12, CI:(0.17-4.08)p = 0.03). Similarly, a statistically significant difference in favour of frenotomy was observed for pain (Pooled SMD -1.68, 95% CI: (-2.87- -0.48). CONCLUSION: Results support that infant frenotomy is effective for improving standardised scores on breastfeeding difficulty and maternal pain scales and could improve breastfeeding outcomes.
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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 | 0.003 | 0.005 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.003 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| 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".