Tag Archives: fetuses

Women 16–49 at Risk of Multiple Pollutants

In a new analysis of thousands of U.S. women of childbearing age, Brown University researchers found that most exceeded the median blood level for two or more of three environmental pollutants that could harm brain development of fetuses and babies: lead, mercury, and polychlorinated biphenyls (PCBs).

PROVIDENCE, R.I. [Brown University] — Nearly 23 percent of American women of childbearing age met or exceeded the median blood levels for all three environmental chemical pollutants — lead, mercury, and PCBs — tracked in an analysis of data on thousands of women by Brown University researchers. All but 17.3 percent of the women aged 16 to 49 were at or above the median blood level for one or more of these chemicals, which are passed to fetuses through the placenta and to babies through breast milk. (more…)

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Seeing Double: 1 in 30 Babies Born in U.S. is a Twin

EAST LANSING, Mich. — Women having children at older ages and the growing availability of fertility treatments has led to a marked increase in the birth of twins: In 2009, one in every 30 babies born in the United States was a twin compared with one in every 53 in 1980.

The findings, presented by Michigan State University’s Barbara Luke this week at the 14th Congress of the International Society of Twin Studies in Florence, Italy, have important health implications, including greater morbidity and mortality risks and higher health care costs. (more…)

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