The FDA banned the use of BPA in baby bottles in July 2012, because of its link to developmental delays.

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The FDA banned the use of BPA in baby bottles in July 2012, because of growing consumer concerns over its link to developmental delays.

WSJ: Is It Safe to Heat Food in Plastic?

He and a younger brother, Jonathan, wound up there with their Parkinson's afflicted mother, two small children and an adult cousin who has developmental delays.

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Organophosphates, which kill pests by attacking the nervous system, have previously been linked to developmental delays and attention problems in young children who were exposed in the womb.

CNN: Pesticide exposure in womb may hurt your child's IQ

Among the eight studies, an original research study they reference is a 2006 report assessing links between a pesticide, chlorpyrifos , and developmental delays (not diagnosed autism) in urban-dwelling families.

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Though skeptics remain on the proper course of action, health professionals and educators are paying more thought to developmental delays, says Marshalyn Yeargin-Allsopp, chief of the developmental disabilities branch at the CDC and an author of the report in Pediatrics.

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In the third study, which also looked at children in New York City, researchers found that the association between organophosphate exposure and developmental delays was more pronounced in children whose mothers had a certain genetic variant that influences an enzyme that breaks down organophosphates.

CNN: Pesticide exposure in womb may hurt your child's IQ