Polychlorinated biphenyls in preserved human umbilical cords.
Congener-specific PCB analyses were carried out on preserved umbilical cord samples. Total PCB concentrations were higher in the umbilical cords of subjects born in the 1960s and 70s than in those born more recently. Total PCB concentrations in the cords from 3 groups of siblings showed no linear relationships between birth order and total PCB concentration. The congener and homologue compositions of PCBs in the umbilical cords of one group of siblings were similar to those of commercial PCB products.
Otake
Takamitsu
T
Institute of Environmental Studies, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan.
Yoshinaga
Jun
J
Imai
Hideki
H
Seki
Yoshie
Y
Matsumura
Toru
T
D000328:Adult; D002648:Child; D004784:Environmental Monitoring / Q000379:methods / Q000706:statistics & numerical data; D004785:Environmental Pollutants / Q000032:analysis*; D006801:Humans; D007564:Japan; D011078:Polychlorinated Biphenyls / Q000032:analysis*; D035781:Siblings; D013997:Time Factors; D014470:Umbilical Cord / Q000737:chemistry*
D004785:Environmental Pollutants; D011078:Polychlorinated Biphenyls