G T Bondevik1, R T Lie, M Ulstein, G Kvåle. 1. Centre for International Health, University of Bergen, Bergen, Norway. gunnar.bondevik@cih.uib.no
Abstract
OBJECTIVE: We aimed to investigate whether there is any seasonal variation in risk of anemia among pregnant Nepali women. METHODS: We studied the hematocrit values in pregnant women (n=5495) attending Patan Hospital, Kathmandu for the first antenatal visit in the 2-year period from January 1994 until December 1995. In a sub-sample of subjects (n=2706), additional information was obtained through interviews and clinical examinations. Logistic regression models were used to analyze data. RESULTS: Mean hematocrit values recorded in the monsoon period were significantly lower than hematocrit values recorded in the winter. The prevalence of moderate (hematocrit 25-33%) and severe (hematocrit<25%) anemia was highest in September. CONCLUSIONS: We found a clear seasonal variation in risk of anemia, which was associated with rainfall and temperature. The monsoon seems to be a period when interventions may give the most beneficial effects.
OBJECTIVE: We aimed to investigate whether there is any seasonal variation in risk of anemia among pregnant Nepali women. METHODS: We studied the hematocrit values in pregnant women (n=5495) attending Patan Hospital, Kathmandu for the first antenatal visit in the 2-year period from January 1994 until December 1995. In a sub-sample of subjects (n=2706), additional information was obtained through interviews and clinical examinations. Logistic regression models were used to analyze data. RESULTS: Mean hematocrit values recorded in the monsoon period were significantly lower than hematocrit values recorded in the winter. The prevalence of moderate (hematocrit 25-33%) and severe (hematocrit<25%) anemia was highest in September. CONCLUSIONS: We found a clear seasonal variation in risk of anemia, which was associated with rainfall and temperature. The monsoon seems to be a period when interventions may give the most beneficial effects.
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