Dataset Information

Personal Care Product Use in Pregnancy and the Postpartum Period: Implications for Exposure Assessment.

ABSTRACT: Concern regarding the potential for developmental health risks associated with certain chemicals (e.g., phthalates, antibacterials) used in personal care products is well documented; however, current exposure data for pregnant women are limited. The objective of this study was to describe the pattern of personal care product use in pregnancy and the post-partum period. Usage patterns of personal care products were collected at six different time points during pregnancy and once in the postpartum period for a cohort of 80 pregnant women in Ottawa, Canada. The pattern of use was then described and groups of personal care product groups commonly used together were identified using hierarchical cluster analysis. The results showed that product use varied by income and country of birth. General hygiene products were the most commonly used products and were consistently used over time while cosmetic product use declined with advancing pregnancy and post-delivery. Hand soaps and baby products were reported as used more frequently after birth. This study is the first to track personal care product use across pregnancy and into the postpartum period, and suggests that pregnant populations may be a unique group of personal care product users. This information will be useful for exposure assessments.

SUBMITTER: Lang C

PROVIDER: S-EPMC4730496 | biostudies-literature | 2016 Jan

REPOSITORIES: biostudies-literature

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Personal Care Product Use in Pregnancy and the Postpartum Period: Implications for Exposure Assessment.

Lang Carly C Fisher Mandy M Neisa Angelica A MacKinnon Leona L Kuchta Sandra S MacPherson Susan S Probert Adam A Arbuckle Tye E TE

International journal of environmental research and public health 20160106 1

Concern regarding the potential for developmental health risks associated with certain chemicals (e.g., phthalates, antibacterials) used in personal care products is well documented; however, current exposure data for pregnant women are limited. The objective of this study was to describe the pattern of personal care product use in pregnancy and the post-partum period. Usage patterns of personal care products were collected at six different time points during pregnancy and once in the postpartum ...[more]

PMID: 26751460

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Project description:BackgroundHumans are exposed to phthalates, a class of non-persistent chemicals, through multiple products, including personal care and cosmetics. Associations between specific phthalates and product use have been inconsistent. However, determining these connections could provide avenues for exposure reduction.ObjectiveExamine the association between patterns of personal care product use and associations with phthalate and replacement biomarkers.MethodsIn the Human Placenta and Phthalates Study, 303 women were enrolled in early pregnancy and followed for up to 8 visits across gestation. At each visit, women completed a questionnaire about product use in the prior 24 hours and contributed urine samples, subsequently analyzed for 18 phthalate and replacement metabolites. At early, mid-, and late pregnancy, questionnaire responses were condensed and repeated metabolite concentrations were averaged. Latent class analysis (LCA) was used to determine groups of women with similar use patterns, and weighted associations between group membership and biomarker concentrations were assessed.ResultsLCA sorted women into groups which largely corresponded to: (1) low fragranced product use (16-23% of women); (2) fragranced product and low body wash use (22-26%); 3) fragranced product and low bar soap use (26-51%); and (4) low product use (7-34%). Monoethyl phthalate (MEP) urinary concentrations were 7-10% lower and concentrations of summed di(2-ethylhexyl) terephthalate metabolites were 15-21% lower among women in the "low fragranced product use" group compared to the population mean. Few other consistent associations between group and biomarker concentrations were noted.Impact statementPersonal care products and cosmetics are a known exposure source for phthalates and potentially represent one of the most accessible intervention targets for exposure reduction. However, in this analysis accounting for concurrent use and fragranced status of products, we did not find any use patterns that corresponded to universally lower levels.

Project description:BackgroundPersonal care products (PCPs), known sources of endocrine disrupting chemicals (EDCs) such as phthalates and parabens, are widely used among women of reproductive age. EDCs have been linked to pregnancy complications such as gestational diabetes (GDM), and PCP use could represent a modifiable source of exposure in this sensitive time window. Yet, to our knowledge, no study has directly evaluated the association between pregnancy use of PCP and late pregnancy glucose levels, established risk factors for complications such as GDM.MethodsA total of 233 women from the Environment and Reproductive Health (EARTH) Study had data available on 1st and/or 2nd trimester PCP use, assessed through self-reported use over the previous 24 h, and blood glucose levels after the glucose loading test (GLT), taken at late 2nd trimester. Associations between each individual PCP and total PCP with glucose levels were evaluated in multivariable adjusted linear regression models.ResultsBoth positive and negative differences in glucose levels were observed when comparing users vs. non-users of several PCPs including 2nd trimester use of deodorant (adjusted mean difference: 12.2 mg/dL, 95% CI: -0.6, 24.9); bar soap (6.9 mg/dL, 95% CI: -0.9, 14.7 mg/dL); and liquid soap (-13.3, 95% CI: -26.8, 0.1 mg/dL), and 1st trimester use of sunscreen (-14.6 mg/dL, 95% CI: -27.8, -1.5 mg/dL). Total number of PCPs used in the 2nd trimester was also associated with higher glucose levels, with the largest difference of 20 mg/dL when comparing individuals who used eight vs none PCPs (95% CI: 3-37).ConclusionsIn a pregnancy cohort of women seeking care at a fertility clinic, we found the use of several PCPs to be positively or negatively associated with glucose levels in the late second trimester, which may reflect increased risk of GDM and subsequent perinatal outcomes. These results strengthen the role of product use as a potentially modifiable source of EDCs that may impact glucose levels.

Dataset Information

Personal Care Product Use in Pregnancy and the Postpartum Period: Implications for Exposure Assessment.

Publications

Personal Care Product Use in Pregnancy and the Postpartum Period: Implications for Exposure Assessment.

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