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Baby's first full diaper can reveal mother's smoking

Date:
August 27, 2010
Source:
BioMed Central
Summary:
Meconium, the dark and tarry stools passed by a baby during the first few days after birth, can be used to determine how much the mother smoked, or if she was exposed to tobacco smoke during pregnancy. Researchers measured tobacco smoke metabolites in meconium samples from 337 babies, finding that they correlated well with reported smoke exposure and other markers of tobacco smoke exposure.

Meconium, the dark and tarry stools passed by a baby during the first few days after birth, can be used to determine how much the mother smoked, or if she was exposed to tobacco smoke during pregnancy.

Researchers writing in BioMed Central's open access journal Environmental Health measured tobacco smoke metabolites in meconium samples from 337 babies, finding that they correlated well with reported smoke exposure and other markers of tobacco smoke exposure.

Joe Braun, from the University of North Carolina-Chapel Hill, USA, worked with a team of researchers to carry out the study. He said, "Prenatal active and secondhand tobacco smoke exposure is a prevalent environmental exposure that is associated with adverse infant and childhood health outcomes. Biomarkers of exposure, like serum and meconium tobacco smoke metabolites, are useful to enhance the measurement of tobacco smoke exposure, which is often under-reported."

The researchers found that tobacco smoke metabolites in meconium reflected the duration and intensity of gestational exposure to tobacco smoke. Concentrations were higher and almost universally detected among infants born to active smokers compared to women with secondhand or no exposure.

Speaking about further applications of this research, Braun said, "Although meconium was not superior to serum as a biomarker of tobacco smoke exposure, it may be useful to estimate gestational exposure to other environmental toxicants that exhibit more variability during pregnancy, especially non-persistent compounds like bisphenol A and phthalates."


Story Source:

The above story is based on materials provided by BioMed Central. Note: Materials may be edited for content and length.


Journal Reference:

  1. Joe M Braun, Julie L Daniels, Charlie Poole, Andrew F Olshan, Richard Hornung, John T Bernert, Yang Xia, Cynthia Bearer, Dana Boyd Barr and Bruce P Lanphear. A prospective cohort study of biomarkers of prenatal tobacco smoke exposure: the correlation between serum and meconium and their association with infant birth weight. Environmental Health, 2010; (in press)

Cite This Page:

BioMed Central. "Baby's first full diaper can reveal mother's smoking." ScienceDaily. ScienceDaily, 27 August 2010. <www.sciencedaily.com/releases/2010/08/100827082153.htm>.
BioMed Central. (2010, August 27). Baby's first full diaper can reveal mother's smoking. ScienceDaily. Retrieved April 23, 2014 from www.sciencedaily.com/releases/2010/08/100827082153.htm
BioMed Central. "Baby's first full diaper can reveal mother's smoking." ScienceDaily. www.sciencedaily.com/releases/2010/08/100827082153.htm (accessed April 23, 2014).

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