Ellen Bradley

ORCID: 0009-0009-4457-0762
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About
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Research Areas
  • Global Maternal and Child Health
  • Birth, Development, and Health
  • Pregnancy and preeclampsia studies
  • Maternal and Neonatal Healthcare
  • Neonatal Respiratory Health Research
  • Child Nutrition and Water Access
  • Infant Development and Preterm Care
  • Preterm Birth and Chorioamnionitis
  • Maternal and Perinatal Health Interventions
  • Primary Care and Health Outcomes
  • Climate Change and Health Impacts
  • Adolescent Sexual and Reproductive Health
  • Global Public Health Policies and Epidemiology
  • Health disparities and outcomes

London School of Hygiene & Tropical Medicine
2022-2025

J.P. Morgan
2024

Anna Needs Neuroblastoma Answers
2024

BackgroundPreterm birth is the leading cause of neonatal mortality and associated with long-term physical, neurodevelopmental, socioeconomic effects. This study updated national preterm rates trends, plus novel estimates by gestational age subgroups, to inform progress towards global health goals targets, aimed update country, regional, for 2020 in addition trends between 2010 2020.MethodsWe systematically searched population-based, nationally representative data on from Jan 1, 2010, Dec 31,...

10.1016/s0140-6736(23)00878-4 article EN cc-by The Lancet 2023-10-01

Background Low birthweight (LBW; <2500 g) is an important predictor of health outcomes throughout the life course. We aimed to update country, regional, and global estimates LBW prevalence for 2020, with trends from 2000, assess progress towards targets reduce by 30% 2030. Methods For this systematic analysis, we searched population-based, nationally representative data on Jan 1, Dec 31, 2020. Using 2042 administrative survey datapoints 158 countries areas, developed a Bayesian hierarchical...

10.1016/s0140-6736(23)01198-4 article EN cc-by The Lancet 2024-02-28

To examine the prevalence of novel newborn types among 165 million live births in 23 countries from 2000 to 2021.Population-based, multi-country analysis.National data systems middle- and high-income countries.Liveborn infants.Country teams with high-quality were invited be part Vulnerable Newborn Measurement Collaboration. We classified by six based on gestational age information (preterm <37 weeks versus term ≥37 weeks) size for defined as small (SGA, <10th centile), appropriate (10th-90th...

10.1111/1471-0528.17505 article EN cc-by BJOG An International Journal of Obstetrics & Gynaecology 2023-05-08

Abstract Objective To compare neonatal mortality associated with six novel vulnerable newborn types in 125.5 million live births across 15 countries, 2000–2020. Design Population‐based, multi‐country study. Setting National data systems middle‐ and high‐income countries. Methods We used individual‐level sets identified for the Vulnerable Newborn Measurement Collaboration. examined contribution to of combining gestational age (preterm [PT] versus term [T]) size‐for‐gestational (small [SGA],...

10.1111/1471-0528.17506 article EN cc-by BJOG An International Journal of Obstetrics & Gynaecology 2023-05-08

Background Reducing low birthweight (LBW, weight at birth less than 2,500g) prevalence by least 30% between 2012 and 2025 is a target endorsed the World Health Assembly that can contribute to achieving Sustainable Development Goal 2 (Zero Hunger) 2030. The 2019 LBW estimates indicated global of 14.6% (20.5 million newborns) in 2015. We aim develop updated global, regional, national levels for up 202 countries period 2000 2020. Methods Two types sources data will be sought: administrative...

10.12688/gatesopenres.13666.1 preprint EN cc-by Gates Open Research 2022-07-19

We aimed to compare the prevalence and neonatal mortality associated with large for gestational age (LGA) macrosomia among 115.6 million live births in 15 countries, between 2000 2020.Population-based, multi-country study.National healthcare systems.Liveborn infants.We used individual-level data identified Vulnerable Newborn Measurement Collaboration. calculated relative risk (RR) of born at term + LGA (>90th centile, also >95th >97th centiles when were available) versus appropriate (AGA,...

10.1111/1471-0528.17706 article EN cc-by BJOG An International Journal of Obstetrics & Gynaecology 2023-11-27

To examine the contribution of preterm birth and size-for-gestational age in stillbirths using six 'newborn types'.Population-based multi-country analyses.Births collected through routine data systems 13 countries.125 419 255 total births from 22+0 to 44+6 weeks' gestation identified 2000 2020.We included 635 107 countries. We classified all births, including stillbirths, into types' based on gestational information (preterm, PT, <37+0 weeks versus term, T, ≥37+0 weeks) defined as small...

10.1111/1471-0528.17653 article EN cc-by BJOG An International Journal of Obstetrics & Gynaecology 2023-11-29

(Abstracted from Lancet 2023;402:1261–1271 Birth before 37 weeks of gestation is classified as preterm birth (PTB) and represents the highest contributor to neonatal mortality, including both short- long-term effects. Adverse effects PTB include higher risks poor health, growth, intellectual or mental disability, early onset chronic disease, others.

10.1097/01.ogx.0001016672.20941.9e article EN Obstetrical & Gynecological Survey 2024-04-01

Abstract Objective Low birthweight (&lt;2500 g) and preterm birth (&lt;37 weeks) are markers of newborn vulnerability. To facilitate informed decisions about investments in prevention care, it is imperative to enhance data quality use. Hence, the objective this study systematically assess concerning low births within routine administrative sources. Design Systematic assessment by adopting WHO Data Quality Framework. Setting National system from UN member states. Population Livebirths....

10.1111/1471-0528.17699 article EN cc-by BJOG An International Journal of Obstetrics & Gynaecology 2023-11-06

Abstract Objective To compare stillbirth rates and risks for small gestational age (SGA), large (LGA) appropriate (AGA) pregnancies at 24–44 completed weeks of gestation using a birth‐based fetuses‐at‐risk approachs. Design Population‐based, multi‐country study. Setting National data systems in 15 high‐ middle‐income countries. Population Live births stillbirths. Methods A total 151 country‐years data, including 126 543 070 across countries from 2000 to 2020, were compiled. Births...

10.1111/1471-0528.17890 article EN cc-by BJOG An International Journal of Obstetrics & Gynaecology 2024-07-11

Increasing rates of sexually transmitted infections (STIs) and antimicrobial resistance among young people underscore the urgent need for preventative interventions. Interventions should be evidence-based tailored to unique risks needs associated with varying age, sex sexual orientation. We used data from Safetxt trial explore whether people's orientation influence (1) their risk STI reinfection condom use (2) effect intervention on use.

10.1136/sextrans-2024-056285 article EN Sexually Transmitted Infections 2024-11-07
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