Publications
2026
2025
- The Incidence, Characteristics, Management and Outcomes of Peripartum Hyponatraemia in the United Kingdom: A Prospective Study Using the UK Obstetric Surveillance System (UKOSS)
- Incidence, outcomes and management of spontaneous haemoperitoneum in pregnancy: a UK population-based study (awaiting peer review)
- Pulmonary aspiration during pregnancy or immediately postpartum in the UK: A population-based case-control study
2024
- Severe, uncontrolled epilepsy in pregnancy: A population-based case-control study
- Incidence and outcomes of vasa praevia in the United Kingdom
- The UK Breast Cancer in Pregnancy (UKBCiP) Study. Incidence, diagnosis, management and short-term outcomes of breast cancer first diagnosed during pregnancy in the United Kingdom: A population-based descriptive study
- Re-exploration following caesarean birth: a prospective national case-control study using the United Kingdom Obstetric Surveillance System (UKOSS) data collection system
- Perinatal outcomes after admission with Covid-19 in pregnancy: a UK national cohort study
- Management and outcomes of women with low fibrinogen concentration during pregnancy or immediately postpartum: A UK national population-based cohort study
- Preterm prelabour rupture of membranes before 23 weeks' gestation: prospective observational study
2023
2022
- Severity of maternal SARS-CoV-2 infection and perinatal outcomes of women admitted to hospital during the omicron variant dominant period using UK Obstetric Surveillance System data: prospective, national cohort study
- Severity of maternal infection and perinatal outcomes during periods of SARS-CoV-2 wildtype, alpha, and delta variant dominance in the UK: prospective cohort study
- Severe COVID-19 in pregnancy is almost exclusively limited to unvaccinated women – time for policies to change
- Management and implications of severe COVID-19 in pregnancy in the UK: data from the UK Obstetric Surveillance System national cohort
- Monitoring the safety of COVID-19 vaccination in pregnancy in the UK: A national study using the UK Obstetric Surveillance System (UKOSS), UK Teratology Information Service (UKTIS) and Vaccination in Pregnancy (VIP) safety monitoring systems
- Impacted fetal head during second stage Caesarean birth: A prospective observational study
2021
- A total blood volume or more transfused during pregnancy or after childbirth: Individual patient data from six international population-based observational studies
- The incidence, characteristics and outcomes of pregnant women hospitalized with symptomatic and asymptomatic SARS-CoV-2 infection in the UK from March to September 2020: A national cohort study using the UK Obstetric Surveillance System (UKOSS)
- Management of major obstetric hemorrhage prior to peripartum hysterectomy and outcomes across nine European countries
- Pregnancy outcomes following different types of bariatric surgery: A national cohort study
- A study of diabetic ketoacidosis in the pregnant population in the United Kingdom: Investigating the incidence, aetiology, management and outcomes
2020
- Characteristics and outcomes of pregnant women admitted to hospital with confirmed SARS-CoV-2 infection in UK: national population based cohort study
- The incidence, maternal, fetal and neonatal consequences of single intrauterine fetal death in monochorionic twins: A prospective observational UKOSS study
- Anaphylaxis in pregnancy: a population-based multinational European study
- Frequency and management of maternal infection in health facilities in 52 countries (GLOSS): a 1-week inception cohort study
- The outcome of pregnancy in women with cystic fibrosis: a UK population-based descriptive study
2019
- The UK's pandemic influenza research portfolio: a model for future research on emerging infections
- Maternal and perinatal outcomes in pregnant women with BMI >50: International collaborative study
- Risk factors, management, and outcomes of amniotic fluid embolism: A multicountry, population-based cohort and nested case-control study
- Surveillance of congenital Zika syndrome in England and Wales: methods and results of laboratory, obstetric and paediatric surveillance
- The INOSS study of uterine rupture: a descriptive multi-country population based study
- Selecting pregnant or postpartum women with suspected pulmonary embolism for diagnostic imaging: the DiPEP diagnostic study with decision-analysis modelling
2018
- Binational cohort study comparing the management and outcomes of pregnant women with a BMI >50-59.9kg/m2 and those with a BMI >60kg/m2
- The incidence, characteristics, management and outcomes of anaphylaxis in pregnancy: a population-based descriptive study
- Hormone-secreting adrenal tumours cause severe hypertension and high rates of poor pregnancy outcome; a UKOSS study with case control comparisons
- Severe Primary Autoimmune Thrombocytopenia (ITP) in Pregnancy: a National Cohort Study
- The DiPEP study: an observational study of the diagnostic accuracy of lcinical assessment, D-dimer and chest x-ray for suspected pulmonary embolism in pregnancy and postpartum
2017
- Neonatal outcomes after failed tracheal intubation during obstetric general anaesthesia for caesarean section: Secondary analysis of a UKOSS case-control study
- Deflation versus maintained inflation of gastric band in pregnancy: A national cohort study
- The CAPS Study: incidence, management and outcomes of cardiac arrest in pregnancy in the UK: a prospective, descriptive study
- Macroprolactinomas and Nonfunctioning Pituitary Adenomas and Pregnancy Outcomes
- Factors associated with maternal mortality at advanced maternal age: a population-based case-control study
- Pregnancy outcomes in women with mechanical prosthetic heart valves: a prospective descriptive population based study using the United Kingdom Obstetric Surveillance System (UKOSS) data collection system
2016
- Pregnancy outcomes in myeloproliferative neoplasms: UK prospective cohort study
- Pregnancy at very advanced maternal age: a UK population-based cohort study
- The haematological features and transfusion management of women who required massive transfusion for major obstetric haemorrhage in the UK: a population based study
- Risk factors and newborn outcomes associated with maternal deaths in the UK from 2009 to 2013: a national case-control study
2015
- Incidence, Risk Factors, Management and Outcomes of Amniotic Fluid Embolism: a population-based cohort and nested case-control study
- The epidemiology and outcomes of women with postpartum haemorrhage requiring massive transfusion with eight or more units of red cells: a national cross-sectional study
- Severe sepsis in women with group B Streptococcus in pregnancy: an exploratoryUK national case-control study
- Progression from severe sepsis in pregnancy to death: a UK population-based case-control analysis
- Factors associated with maternal death from direct pregnancy complications: a UK national case-control study
- Selected maternal morbidities in women with a prior caesarean delivery planning vaginal birth or elective repeat caesarean section: a retrospective cohort analysis using data from the UK Obstetric Surveillance System
- Pregnancy outcome in patients with sickle cell disease in the UK – a national cohort study comparing sickle cell anaemia (HbSS) with HbSC disease
2014
- Severe maternal sepsis in the UK, 2011-2012: a national case-control study
- Association of severe intrahepatic cholestasis of pregnancy with adverse outcomes: a prospective population-based case-control study
- Risk factors, management, and outcomes of hemolysis, elevated liver enzymes, and low platelets syndrome and elevated liver enzymes, low platelets syndrome
- Pregnancy Outcomes in Liver and Cardiothoracic Transplant Recipients: A UK National Cohort Study
- Ethnic Variations in Severe Maternal Morbidity in the UK – A Case Control Study.
2013
- Multiple repeat caesarean section in the UK: incidence and consequences to mother and child. A national, prospective, cohort study
- Failed tracheal intubation in obstetric anaesthesia: 2 yr national case–control study in the UK
- Myocardial infarction in pregnancy and postpartum in the UK
- Pregnancy in Renal Transplant Recipients: A UK National Cohort Study
- The management and outcomes of placenta accreta, increta, and percreta in the UK: a population-based descriptive study
- The UK Obstetric Surveillance System: Impact on Patient Safety
- Variation in severe maternal morbidity according to socioeconomic position: a UK national case-control study
2012
- Uterine Rupture by Intended Mode of Delivery in the UK: A National Case-Control Study
- Amniotic fluid embolism incidence, risk factors and outcomes: a review and recommendations
- Incidence, risk factors, management, and outcomes of stroke in pregnancy
- Incidence and risk factors for placenta accreta/increta/percreta in the UK: a national case-control study
- Antenatal management and outcomes of gastroschisis in the U.K
2011
- Uterine compression sutures for the management of severe postpartum hemorrhage
- Critical illness with AH1N1v influenza in pregnancy: a comparison of two population-based cohorts
- Planned vaginal delivery or planned caesarean delivery in women with extreme obesity
- The incidence and outcomes of fetomaternal alloimmune thrombocytopenia: a UK national study using three data sources
- Saving Mothers' Lives: Reviewing maternal deaths to make motherhood safer: 2006-2008. The Eighth Report of the Confidential Enquiries into Maternal Deaths in the United Kingdom
- Specific second-line therapies for postpartum haemorrhage: a national cohort study
- Maternal and obstetric factors associated with delayed postpartum eclampsia: a national study population
- Perinatal outcomes after maternal 2009/H1N1 infection: national cohort study
- Risk factors for progression from severe maternal morbidity to death: a national cohort study
2010
- Incidence and risk factors for amniotic-fluid embolism.
- Extreme obesity in pregnancy in the United Kingdom
- A novel use of a classification system to audit severe maternal morbidity
- Influenza A/H1N1v in pregnancy: an investigation of the characteristics and management of affected women and the relationship to pregnancy outcomes for mother and infant
2009
- Tuberculosis in pregnancy in the UK
- Inequalities in maternal health: national cohort study of ethnic variation in severe maternal morbidities.
- Trends in postpartum hemorrhage in high resource countries: a review and recommendations from the International Postpartum Hemorrhage Collaborative Group.
2008
- Cesarean delivery and peripartum hysterectomy
- A prospective national study of acute fatty liver of pregnancy in the UK
- Antenatal pulmonary embolism: risk factors, management and outcomes
- The UK Obstetric Surveillance System
2007
- Eclampsia in the United Kingdom 2005
- Peripartum hysterectomy in the UK: management and outcomes of the associated haemorrhage
2005
- The UK Obstetric Surveillance System for rare disorders of pregnancy
- UK Obstetric Surveillance System uncovered.
Please e-mail UKOSS if you cannot access any of the publications using the links provided on this page so we can e-mail you a copy.
