Prenatal exposure to perfluoroalkyl substances and anogenital distance at 3 months of age in a Danish mother-child cohort

Dorte Vesterholm Lind, Lærke Priskorn, Tina Harmer Lassen, Flemming Nielsen, Henriette Boye Kyhl, David Møbjerg Kristensen, Henrik Boye Thybo Christesen, Jan Steener Jørgensen, Philippe Grandjean, Tina Kold Jensen

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Abstract

In the Odense child cohort, serum concentrations of perfluorooctanesulfonic acid (PFOS), perfluorooctanoic acid (PFOA), perfluorohexane sulfonic acid (PFHxS), perfluorononanoic acid (PFNA), and perfluorodecanoic acid (PFDA) were measured in 638 pregnant women. Birth weight, head and abdominal circumferences and gestational age were determined. Anogenital distance (AGD), the distance from the anus to the genital organs, and penile width were measured 3 months after expected date of birth in 511 children. PFOS, PFHxS, PFNA and PFDA were associated with a decreased AGD in girls (p-trend<0.05) after adjusting for age and weight-for-age standard deviation score. PFOS in the highest quartile was associated with a 2.8mm (95% confidence intervals -4.5; -1.1) reduction in AGD in girls. No such tendencies were seen in boys. However, a tendency toward increased birth weight in girls and reduced birth weight in boys suggests that sex-dimorphic effects may occur from endocrine disrupting effects of these substances.

Original languageEnglish
JournalReproductive toxicology (Elmsford, N.Y.)
Volume68
Pages (from-to)200-206
ISSN0890-6238
DOIs
Publication statusPublished - 2017

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