Travel to high altitude during pregnancy: frequently asked questions and recommendations for clinicians |
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Authors: | Jean Dominique Moore Lorna G |
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Institution: | Centre Pluridisciplinaire de Diagnostic Prénatal, Centre Hospitalier Universitaire de Grenoble, France. dominiquedidi@wanadoo.fr |
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Abstract: | The effects of altitude on pregnancy have been extensively studied in high altitude residents, but there is a lack of knowledge concerning the pregnant altitude visitor. Exposure to hypoxia results in physiologic responses which act to preserve maternal and fetal oxygenation. However, these reactions are limited and maternal/fetal complications may be observed, especially in association with exercise. Certain pre-existing conditions or risk factors of hypertension/preeclampsia and/or fetal growth restriction are contra-indications for traveling to high altitude, especially after 20 weeks. The acclimatization process has to be respected to avoid acute mountain sickness without taking drugs, and at least a few days of acclimatization are required before exercising. |
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