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Preterm preeclampsia in relation to country of birth.
Ray, J G; Wanigaratne, S; Park, A L; Bartsch, E; Dzakpasu, S; Urquia, M L.
Affiliation
  • Ray JG; Keenan Research Centre, Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, ON, Canada.
  • Wanigaratne S; University of Toronto, Toronto, ON, Canada.
  • Park AL; Institute for Clinical Evaluative Sciences, Toronto, ON, Canada.
  • Bartsch E; Department of Obstetrics and Gynaecology, St Michael's Hospital, Toronto, ON, Canada.
  • Dzakpasu S; Keenan Research Centre, Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, ON, Canada.
  • Urquia ML; University of Toronto, Toronto, ON, Canada.
J Perinatol ; 36(9): 718-22, 2016 09.
Article in En | MEDLINE | ID: mdl-27149056
OBJECTIVE: To examine the association between maternal country of birth and the risk of preeclampsia+preterm birth (PTB). STUDY DESIGN: We completed a population-based study in the entire province of Ontario, where there is universal access to obstetrical care. We included 881 700 singleton livebirths among Canadian-born mothers and 305 547 births among immigrant mothers. Adjusted risk ratios (aRRs) were adjusted for maternal age, parity and income quintile. RESULTS: Compared with a rate of preeclampsia+PTB of 4.0 per 1000 among Canadian-born mothers, the aRR of preeclampsia+PTB at 24 to 36 weeks was significantly higher for immigrant women from Nigeria (1.79, 95% confidence interval (CI) 1.12 to 2.84), the Philippines (1.54, 95% CI 1.30 to 1.86), Colombia (1.68, 95% CI 1.04 to 2.73), Jamaica (2.06, 95% CI 1.66 to 2.57) and Ghana (2.12, 95% CI 1.40 to 3.21). The aRRs generally followed a similar pattern for secondary outcomes. Specifically, women from Ghana were at highest risk of preeclampsia+very PTB (4.55, 95% CI 2.57 to 8.06), and women from Jamaica at the highest risk of preeclampsia+indicated PTB (1.89, 95% CI 1.43 to 2.50). CONCLUSION: The risk of preeclampsia+PTB is highest among women from a select number of countries. This information can enhance initiatives aimed at reducing the risk of PTB related to preeclampsia.
Subject(s)

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Pre-Eclampsia / Premature Birth / Emigrants and Immigrants Type of study: Diagnostic_studies / Etiology_studies / Observational_studies / Risk_factors_studies Limits: Adult / Female / Humans / Pregnancy Country/Region as subject: Africa / America do norte Language: En Journal: J Perinatol Journal subject: PERINATOLOGIA Year: 2016 Document type: Article Affiliation country: Canada Country of publication: United States

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Pre-Eclampsia / Premature Birth / Emigrants and Immigrants Type of study: Diagnostic_studies / Etiology_studies / Observational_studies / Risk_factors_studies Limits: Adult / Female / Humans / Pregnancy Country/Region as subject: Africa / America do norte Language: En Journal: J Perinatol Journal subject: PERINATOLOGIA Year: 2016 Document type: Article Affiliation country: Canada Country of publication: United States