Use of Medications by Breastfeeding Women in the 2015 Pelotas (Brazil) Birth Cohort Study

This study describes medication use by women up to 3 months postpartum and evaluates the association between medication use by women who were still breastfeeding at 3 months postpartum and weaning at 6 and 12 months. Population-based cohort, including women who breastfed ( = 3988). Medications were...

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Bibliographic Details
Published in:International journal of environmental research and public health 2020-01, Vol.17 (2), p.568
Main Authors: Lutz, Bárbara Heather, Bassani, Diego Garcia, Miranda, Vanessa Iribarrem Avena, Silveira, Marysabel Pinto Telis, Mengue, Sotero Serrate, Dal Pizzol, Tatiane da Silva, da Silveira, Mariângela Freitas, Bertoldi, Andréa Dâmaso
Format: Article
Language:English
Subjects:
Adolescent
Adult
Brazil
Breast Feeding
Cohort Studies
Drug Utilization - statistics & numerical data
Female
Humans
Middle Aged
Weaning
Young Adult
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Summary:This study describes medication use by women up to 3 months postpartum and evaluates the association between medication use by women who were still breastfeeding at 3 months postpartum and weaning at 6 and 12 months. Population-based cohort, including women who breastfed ( = 3988). Medications were classified according to Hale's lactation risk categories and Brazilian Ministry of Health criteria. Duration of breastfeeding was analysed using Cox regression models and Kaplan-Meier curves, including only women who were still breastfeeding at three months postpartum. Medication use with some risk for lactation was frequent (79.6% regarding Hale's risk categories and 12.3% regarding Brazilian Ministry of Health criteria). We did not find statistically significant differences for weaning at 6 or 12 months between the group who did not use medication or used only compatible medications and the group who used medications with some risk for lactation, according to both criteria. Our study found no association between weaning rates across the different breastfeeding safety categories of medications in women who were still breastfeeding at three months postpartum. Therefore, women who took medications and stopped breastfeeding in the first three months postpartum because of adverse side-effects associated with medications could not be addressed in this analysis.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph17020568