GuidelineVaccine2016
Preterm birth: Case definition & guidelines for data collection, analysis, and presentation of immunisation safety data.
Guideline in Vaccine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 284 papers, 9 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
284 citing papers in PubMed, 9 syntheses or guidelines pooled it.
- Minimizing blood sampling in preterm infants.The Cochrane database of systematic reviews · 2026Pooled it
- Adverse outcomes among pregnant women with COVID-19 according to hospitalization status: A prospective individual participant data meta-analysis in Europe and North America.International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics · 2026Pooled it
- Association between maternal multimorbidity and preterm birth: a systematic review and meta-analysis.BMC pregnancy and childbirth · 2026Pooled it
- Investigation of the association between maternal serum ferritin levels and preterm delivery: A systematic review and meta-analyses.Archives of gynecology and obstetrics · 2026Pooled it
- Inflammatory Association between Periodontal Disease and Systemic Health.Inflammation · 2025Pooled it
- Association between prenatal environmental tobacco smoke exposure and preterm birth: A systematic review and meta-analysis.Acta obstetricia et gynecologica Scandinavica · 2025Pooled it
- Short cervix and use of cervical pessary for preventing preterm birth in singleton and twin pregnancies: a systematic review and meta-analysis.Revista brasileira de ginecologia e obstetricia : revista da Federacao Brasileira das Sociedades de Ginecologia e Obstetricia · 2025Pooled it
- Amniotic Sludge and Prematurity: Systematic Review and Meta-analysis.Revista brasileira de ginecologia e obstetricia : revista da Federacao Brasileira das Sociedades de Ginecologia e Obstetricia · 2023Pooled it
- A Simple Method to Establish Sufficiency and Stability in Meta-Analyses: With Application to Fine Particulate Matter Air Pollution and Preterm Birth.International journal of environmental research and public health · 2022Pooled it
- Heterologous two-dose Ebola vaccine regimen in pregnant women in Rwanda: a randomized controlled phase 3 trial.Nature medicine · 2025Trial
- Antenatal depression and adverse birth outcomes among pregnant women living with HIV in Dar es Salaam, Tanzania.Journal of affective disorders · 2023Trial
- Mode of delivery and maternal vitamin D deficiency: an optimized intelligent Bayesian network algorithm analysis of a stratified randomized controlled field trial.Scientific reports · 2023Trial
- Influence of prenatal exercise on the relationship between maternal overweight and obesity and select delivery outcomes.Scientific reports · 2022Trial
- Post-traumatic stress disorder and adverse pregnancy and birth outcomes: a population-based study.European journal of psychotraumatology · 2026Article
- Pregnancy outcome documentation in low-resource settings: a multi-country study.AJOG global reports · 2026Article
- Placental lesions in systemic lupus erythematosus: A retrospective histopathological study in a tertiary care center.Medicine · 2026Article
- All-fiber wireless auscultation garment for cardiopulmonary diagnostics.Nature cardiovascular research · 2026Article
- Parental anxiety in differences of sex development and hypospadias: a psychosocial characterization.Journal of the Endocrine Society · 2026Article
- Optimizing Kappa-Deleting Recombination Excision Circles (KREC) Cut-Off Values in Russian Newborn Screening Program: Balancing Sensitivity and False-Positive Rates.International journal of neonatal screening · 2026Article
- Maternal Smoking and Preterm Birth Among Infants With Orofacial Clefts.The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association · 2026Article
224 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
18 authors.
Funding
Abstract
Preterm birth is commonly defined as any birth before 37 weeks completed weeks of gestation. An estimated 15 million infants are born preterm globally, disproportionately affecting low and middle income countries (LMIC). It contributes directly to estimated one million neonatal deaths annually and is a significant contributor to childhood morbidity. However, in many clinical settings, the information available to calculate completed weeks of gestation varies widely. Accurate dating of the last menstrual period (LMP), as well as access to clinical and ultrasonographic evaluation are important components of gestational age assessment antenatally. This case definition assign levels of confidence to categorisation of births as preterm, utilising assessment modalities which may be available across different settings. These are designed to enable systematic safety evaluation of vaccine clinical trials and post-implementation programmes of immunisations in pregnancy.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.