Risk factors for malaria and adverse birth outcomes in a prospective cohort of pregnant women resident in a high malaria transmission area of Papua New Guinea

Transactions of the Royal Society of Tropical Medicine and Hygiene
Danielle I StanisicStephen J Rogerson

Abstract

Low birth weight (LBW), anaemia and malaria are common in Papua New Guinean women. To identify risk factors for LBW, anaemia and preterm delivery (PTD), pregnant women recruited into a cohort study in Madang, Papua New Guinea, were followed to delivery. Of 470 women enrolled, delivery data were available for 328 (69.7%). By microscopy, 34.4% (113/328) of women had malaria parasitaemia at enrolment and 12.5% (41/328) at delivery; at each time point, PCR detected sub-microscopic parasitaemia in substantially more. Most infections were with Plasmodium falciparum; the remainder being predominantly P. vivax. Anaemia and smoking were associated with lower birth weight, and LBW (16.7%; 51/305) and PTD (21.8%; 63/290) were common. Histopathologically diagnosed chronic placental malaria was associated with LBW (adjusted odds ratio [aOR] 3.3; p=0.048) and PTD (aOR 4.2; p=0.01). Lack of maternal education predisposed to PTD. Sub-microscopic parasitaemia at delivery appeared to increase the risk of LBW. Of the genetic polymorphisms, Southeast Asian ovalocytosis, α(+)-thalassaemia and complement receptor 1 (CR1) deficiency, a CR1 heterozygous genotype was associated with decreased risk of anaemia and substantial but non-significant effects ...Continue Reading

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Citations

Aug 15, 2009·Journal of Pediatric and Adolescent Gynecology·Stacy C HodgkinsonHarolyn M E Belcher
Apr 18, 2019·Annals of the New York Academy of Sciences·Melissa F YoungAmanda S Wendt
Dec 7, 2018·Genetics and Molecular Biology·Haiala S Silva de OliveiraJoão Farias Guerreiro
Feb 1, 2020·The Journal of Infectious Diseases·A MoussiliouN Tuikue Ndam
May 15, 2018·Nutrients·Ana C M G FigueiredoMauricio G Pereira
Feb 6, 2018·The Lancet Infectious Diseases·Stephen J RogersonAnna M van Eijk

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