Epidemiology of preterm birth

Purisch, Stephanie; Gyamfi-Bannerman, Cynthia

doi:10.1053/j.semperi.2017.07.009

Cited by 432 publications

(372 citation statements)

References 11 publications

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“…Recent evidence has suggested that developmental programming on the background of preterm birth may be particularly important for future outcomes [4][5][6]. Approximately 11% of all births worldwide [7] and 10% in the US [8,9] occur preterm (gestational age < 37 weeks), and >95% of preterm infants in developed countries now survive into adulthood [6]. As a result, large numbers of preterm survivors (e.g.…”

Section: Introductionmentioning

confidence: 99%

Preterm birth and risk of type 1 and type 2 diabetes: a national cohort study

Crump

Sundquist

2019

Diabetologia

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Aims/hypothesis Preterm birth (gestational age <37 weeks) has been associated with insulin resistance early in life. However, no large population-based studies have examined risks of type 1 and type 2 diabetes and potential sex-specific differences from childhood into adulthood. Clinicians will increasingly encounter adults who were born prematurely and will need to understand their long-term risks. We hypothesised that preterm birth is associated with increased risks of type 1 and type 2 diabetes into adulthood. Methods A national cohort study was conducted of all 4,193,069 singletons born in Sweden during 1973-2014, who were followed up for type 1 and type 2 diabetes identified from nationwide diagnoses and pharmacy data to the end of 2015 (maximum age 43 years; median age at the end of follow-up 22.5 years). Cox regression was used to adjust for potential confounders, and cosibling analyses assessed the influence of shared familial (genetic and/or environmental) factors. Results In 92.3 million person-years of follow-up, 27,512 (0.7%) and 5525 (0.1%) people were identified with type 1 and type 2 diabetes, respectively. Gestational age at birth was inversely associated with both type 1 and type 2 diabetes risk. Adjusted HRs for type 1 and type 2 diabetes at age <18 years associated with preterm birth were 1.21 (95% CI, 1.14, 1.28) and 1.26 (95% CI, 1.01, 1.58), respectively, and at age 18-43 years were 1.24 (95% CI, 1.13, 1.37) and 1.49 (95% CI, 1.31, 1.68), respectively, compared with full-term birth. The associations between preterm birth and type 2 (but not type 1) diabetes were stronger among females (e.g. at age 18-43 years, females: adjusted HR, 1.75; 95% CI, 1.47, 2.09; males: 1.28; 95% CI, 1.08, 1.53; p < 0.01 for additive and multiplicative interaction). These associations were only partially explained by shared genetic or environmental factors in families. Conclusions/interpretation In this large national cohort, preterm birth was associated with increased risk of type 1 and type 2 diabetes from childhood into early to mid-adulthood. Preterm-born children and adults may need early preventive evaluation and long-term monitoring for diabetes.

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Section: Introductionmentioning

confidence: 99%

Preterm birth and risk of type 1 and type 2 diabetes: a national cohort study

Crump

Sundquist

2019

Diabetologia

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“…Just over 11% of all infants born world-wide in 2010 were born preterm, (Blencowe et al, 2013), with risks of almost 10% in the United States (2015;Purisch & Gyamfi-Bannerman, 2017) and nearly 8% in Canada (2013;Statistics Canada, 2016) and the United Kingdom (1996Zeitlin et al, 2013). The smallest and most vulnerable of these infants are born at extremely low birth weight (ELBW; <1,000 g), and are exposed to significant prenatal (e.g.…”

Section: Introductionmentioning

confidence: 99%

Trajectories of psychopathology in extremely low birth weight survivors from early adolescence to adulthood: a 20‐year longitudinal study

Lieshout

Ferro

Boyle

et al. 2018

Child Psychology Psychiatry

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“…Globally, 11% of all live births are preterm with variations from 18% in some African countries to 5% in the Scandinavian countries (Blencowe et al, ). The etiology of preterm birth has been studied intensively without any convincing breakthrough to reduce the frequency (Blencowe et al, ; Purisch and Gyamfi‐Bannerman, ). However, interpretation of preterm rates is complicated, and while rates of spontaneous preterm birth are decreasing, iatrogenic preterm birth rates are increasing (Ananth and Vintzileos, ; Lucovnik et al, ; Moutquin, ).…”

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confidence: 99%

Alcohol Intake in Early Pregnancy and Spontaneous Preterm Birth: A Cohort Study

Weile

Hegaard

et al. 2019

Alcoholism Clin & Exp Res

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Background: Limited research has addressed whether maternal alcohol intake in early pregnancy increases the risk of spontaneous preterm birth. In the current study, we examined how alcohol binge drinking and weekly alcohol intake in early pregnancy were associated with spontaneous preterm birth in a contemporary cohort of Danish women.Methods: We included 15,776 pregnancies of 14,894 women referred to antenatal care at Copenhagen University Hospital, Denmark, between 2012 and 2016. Self-reported alcohol intake in early pregnancy was obtained from a Web-based questionnaire completed prior to the women's first visit at the department. Information on spontaneous preterm birth was extracted from the Danish Medical Birth Register. Adjusted hazard ratios (aHRs) with 95% confidence intervals (CIs) of spontaneous preterm birth according to self-reported alcohol binge drinking and weekly intake of alcohol in early pregnancy were derived from Cox regression.Results: Women reporting 1, 2, and ≥ 3 binge drinking episodes had an aHR for spontaneous preterm birth of 0.88 (95% CI 0.68 to 1.14), 1.34 (95% CI 0.98 to 1.82), and 0.93 (95% CI 0.62 to 1.41), respectively, compared to women with no binge drinking episodes. Women who reported an intake of ≥ 1 drink per week on average had an aHR for spontaneous preterm birth of 1.09 (95% CI 0.63 to 1.89) compared to abstainers. When restricting to nulliparous women or cohabiting women with ≥ 3 years of higher education, this estimate was 1.28 (95% CI 0.69 to 2.40) and 1.20 (95% CI 0.67 to 2.15), respectively.Conclusion: We found no evidence that maternal alcohol intake in early pregnancy was associated with a higher risk of spontaneous preterm birth, neither for alcohol binge drinking nor for a low average weekly intake of alcohol.

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Epidemiology of preterm birth

Cited by 432 publications

References 11 publications

Preterm birth and risk of type 1 and type 2 diabetes: a national cohort study

Preterm birth and risk of type 1 and type 2 diabetes: a national cohort study

Trajectories of psychopathology in extremely low birth weight survivors from early adolescence to adulthood: a 20‐year longitudinal study

Alcohol Intake in Early Pregnancy and Spontaneous Preterm Birth: A Cohort Study

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