Malaria in Pregnancy Before and After the Implementation of a National IPTp Program in Gabon

Michael Ramharter Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Katharina Schuster Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Marielle K. Bouyou-Akotet Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Ayola A. Adegnika Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Kristen Schmits Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Ghyslain Mombo-Ngoma Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Selidji T. Agnandji Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Johannes Nemeth Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Solange Nzenze Afène Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Saadou Issifou Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Isabelle Ndombi Onnas Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Maryvonne Kombila Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Peter G. Kremsner Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon; Institut Pasteur, Université de la Méditerranée, Marseille, France; Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria; Institute for Tropical Medicine, Department for Parasitology, University of Tübingen, Tübingen, Germany; Département de Parasitologie, Mycologie, Médecine Tropicale, Université des Sciences de la Santé, Libreville, Gabon; Département de Maternité, Centre Hospitalier de Libreville, Libreville, Gabon

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Intermittent preventive treatment in pregnancy (IPTp) with sulfadoxine–pyrimethamine has recently been adopted by many African countries to reduce maternal and neonatal morbidity and mortality associated with malaria in pregnancy. We assessed the impact of a newly established national IPTp program on maternal and neonatal health in Gabon. Data on prevalence of maternal Plasmodium falciparum infection, anemia, premature birth, and birth weight were collected in cross-sectional surveys in urban and rural regions of Gabon before and after the implementation of IPTp in a total of 1403 women and their offspring. After introduction of IPTp, the prevalence of maternal Plasmodium falciparum infection decreased dramatically (risk ratio 0.16, P < 0.001). Whereas only a modest effect on the rate of anemia in pregnant women was observed, there was a marked benefit on the prevalence of low birth weight and premature birth for women adhering to national recommendations. These effects were most pronounced in primi- and secundigravid women.

Author Notes

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