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Thursday, May 22, 2008

Drinking Tap Water During Pregnancy Does Not Affect Unborn Fetus

I really thought before that drinking water directly from the faucet or tap water would really harm my baby in me. For that reason, I bugged my husband to get me a purifier. Just now, while creating some entries as my interim posts for the succeeding days, I browsed the info below which will put me shame once hubby reads this (hope not! lol).


According to a study in the November issue of the American Journal of Epidemiology (available online September 5), a team of researchers at the University of North Carolina School of Public Health headed by David A. Savitz, Ph.D., Director of the Center of Excellence in Epidemiology, Biostatistics, and Disease Prevention at MSSM, and formerly Chair of the Department of Epidemiology at the University of North Carolina at Chapel Hill, have determined that drinking water DBPs -- in the range commonly encountered in the US -- do not affect fetal survival. This finding is particularly important because previous research has suggested that exposure to elevated levels of drinking water DBPs might cause pregnancy loss. The interaction of chlorine with organic material in raw water supplies produces chemical DBPs of health concern, including trihalomethanes (THMs) and haloacetic acids (HAAs). Several epidemiological studies have addressed potential reproductive toxicity of DBPs. The strongest support in ealier studies was noted for pregnancy loss, including stillbirth. Researchers looked at three locations with varying DBP levels and evaluated 2,409 women in early pregnancy to assess tap water DBP concentrations, water use, other risk factors and pregnancy outcome. Tap water concentrations were measured in the distribution system on a weekly or biweekly basis. DBP concentration and ingested amount, bathing/showering and integrated exposure that included ingestion and bathing/showering were considered. Based on 258 pregnancy losses, the finding did not show an increased risk of pregnancy loss in relation to ingested amounts of DBPs. "Decisions about treating drinking water nationwide rest in part on these health concerns, and our results provide assurance that there is no measurable adverse effect of disinfection by-products on risk of miscarriage. Given the need to control risk of infection through treatment and the huge expense involved in further reducing DBPs, this is good news for the water utility industry and their customers" said David A. Savitz, Ph.D., lead investigator and Director of the Center of Excellence in Epidemiology, Biostatistics, and Disease Prevention at MSSM. Dr. Savitz conducted this research while on faculty at the University of North Carolina School of Public Health. The researcher team included Drs. Philip Singer (Co-Principal Investigator), Katherine Hartmann, Amy Herring, and Howard Weinberg. --------------------------------------------------------------------------------
Adapted from materials provided by The Mount Sinai Hospital / Mount Sinai School of Medicine, via EurekAlert!, a service of AAAS. source

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