Pregnancy, maternal exposure to hair dyes and hair straightening cosmetics, and early age leukemia
- Couto, Arnaldo C.
- Ferreira, Jeniffer D.
- Rosa, Ana C.S.
- Pombo-de-Oliveira, Maria S.
- Koifman, Sérgio
DOIAbstract
AbstractObjectiveTo investigate the association between maternal exposure to hair dyes and hair straightening cosmetics (HDSC) during pregnancy and leukemia at an early age (<2yr., EAL).MethodsA multicenter hospital-based case-control study was carried out in 13 states in Brazil between 1999 and 2007. Mothers of 176 ALL (acute lymphocytic leukemia) and 55 AML (acute myeloid leukemia) cases and 419 controls were enrolled and interviewed. Data on maternal exposure to HDSC occurring 3months before pregnancy, during pregnancy and during breastfeeding were obtained. Data were also gathered on paternal exposure to HDSC before pregnancy. Unconditional logistic regression was performed and odds ratios (OR) on the association between HDSC use and EA...
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