Recent studies hae detected these pesticides, plastics and polymers not only in umbilical cord blood, but in the placenta, in human milk and in the bloodstreams and body fat of infants.

• 最近的研究发现这些杀虫剂，塑料制品和聚合物不仅存在于脐带血，而且还存在于胎盘，人乳，血液以及婴儿的体脂内。