Pregnancy, maternal exposure to hair dyes and hair straightening cosmetics, and early age leukemia

Couto, Arnaldo Cézar; Ferreira, Jeniffer Dantas; Rosa, Ana Cristina Simões; Pombo‐de‐Oliveira, Maria S.; Koifman, Sérgio

doi:10.1016/j.cbi.2013.05.012

Cited by 48 publications

(25 citation statements)

References 29 publications

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“…Recently, Couto et al have reported an association between maternal exposure to hair straightening cosmetics in the first trimester of pregnancy and acute lymphocytic Leukemia(ALL) at early age(<2 years) (Couto et al, 2013). However, there was no association of childhood leukemia with drug intake during pregnancy in this study.…”

Section: Discussioncontrasting

confidence: 74%

“…Van Maele-Fabry et al have reported increased risk of childhood leukemia with maternal occupational exposure to pesticides (Van Maele et al;. In a recent study from Brazil, use of pesticides during pregnancy was found associated with increased risk of childhood leukemia (Ferreira et al;. This suggests that embryo in uterus may be particularly sensitive to carcinogenic effects of pesticides…”

Section: Discussionmentioning

confidence: 98%

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Maternal Factors and Risk of Childhood Leukemia

Kumar

Vashist²,

Rathee³

2014

Asian Pacific Journal of Cancer Prevention

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Background: Although the cause in most cases of childhood leukemia is not known, the contribution of environmental risk factors in the context of genetic predisposition has been reported with inconsistent results. The aim of this study was to examine association of childhood leukemia with maternal factors especially during pregnancy, to help in avoiding risk factors. Materials and Methods: This case-control study included children younger than 18 years diagnosed with leukemia from 2008 to 2012. Controls were randomly selected and individually matched to cases with respect to age, sex, and residency. All variables were compared between cases and control to determine any significant association with leukemia. Results: Statistically significant associations between risk of childhood leukemia with mother's education (p=0.001), occupation (p=0.0005) and pesticides exposure (p=0.005) during pregnancy were found. However, there were no significant links with maternal age (p=0.090), history of fetal loss (0.85), history of radiography during pregnancy (p=0.400), history of drug intake (p=0.689) and infection (p=0.696) during pregnancy. Conclusions: The results showed increased risk of leukemia in children whose mothers were working in agriculture and were exposed to pesticides during pregnancy. The further study needs to be investigated to know association of various maternal risk factors with leukemia which remained unknown in this study.

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Section: Discussioncontrasting

confidence: 74%

Section: Discussionmentioning

confidence: 98%

Maternal Factors and Risk of Childhood Leukemia

Kumar

Vashist²,

Rathee³

2014

Asian Pacific Journal of Cancer Prevention

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“…Children whose mothers had exposure to hair dye during the breastfeeding and smoking during pregnancy (OR: 3.551) were at greater risk of developing leukemia than controls ( p = 0.041). Another study had reported that children whose mothers dyed their hair during breastfeeding had an increased risk of leukemia [20]. This suggests that carcinogens enter the body through breast milk and that an embryo in the uterus might be particularly sensitive to carcinogenic effects.…”

Section: Discussionmentioning

confidence: 99%

Protective effect of breastfeeding against childhood leukemia in Zhejiang Province, P. R. China: a retrospective case-control study

Gao

Wang

Qin

et al. 2018

Libyan Journal of Medicine

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Objectives: Our research investigated the relationship between childhood leukemia and breastfeeding in the P. R. of China.Methods: We conducted a retrospective case-control study from March 2008 to April 2017 at the Children’s Hospital of Zhejiang University, Zhejiang province, P. R. of China, which reviewed 958 children who had been diagnosed with leukemia in case group and 785 healthy children in control group. Data were obtained from medical records, and if the medical records were incomplete, we called mothers of children by phone to complete the data.Results: Breastfeeding reduces the risk of childhood leukemia; the effect is greater, if feeding continued for 7–9 months (p = 0.002). In addition, we suggest that some factors such as maternal age, smoking during pregnancy, abortion history, genetic factors, parents use of hair dye, and the history of using birth control pills before pregnancy can increase the risk of childhood leukemia.Conclusions: This study indicates that promoting breastfeeding for 7–9 months may help lower the childhood leukemia incidence. Our study firstly demonstrates that breastfeeding has protective effects against childhood leukemia in the P. R. of China.Abbreviations: ALL: Acute lymphocytic leukemia; AML: Acute myeloid leukemia

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“…However, there is insufficient information about their potential health risks for humans and the environment [7,8]. The available toxicological data about cosmetics dyes have shown effects that range from contact allergies to different types of genetic damages, including genotoxicity, mutagenicity and early age leukemia [9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%