Many pesticides are endocrine mimickers, meaning that they mimic sex hormones in the body and affect an array of processes, including reproductive development. The correlation between endocrine mimickers and autism is documented in much research including in Helke Ferrie's book Dispatches From the War Zone of Environmental Health, which reads as follows:
Colborn said, "these endocrine disrupters are trans-generational", meaning that they cross the placenta, affecting fetal development in many different ways, ranging from retardation to autism and learning and behavioural problems.
Endocrine disrupters also affect genetically mediated timetables, so that cancers or infertility develop later in life.
U.S. oceanographer, Dr. Douglas Seba, who addressed the 34th annual conference of the American Academy of Environmental Medicine in Idaho held this year (2019) in October, told me that birth defects, infertility problems, and malformations of sex organs in wildlife have dramatically increased, primarily because of a potato pesticide, Chlorothalonil - still being used in New Zealand commercially (have been marketed under the names Bravo, Echo, and Daconil) He described consensus-based research that correlates planetary wind and rain patterns (which transport these pesticides in the far westwards) with the epidemiological patterns of thyroid problems, kidney failure, hypertension, and birth defects in humans and animals.
Wikipaedia......"Chlorothalonil...Acute According to the EPS, chlorothalonil is a toxicity category I eye irritant, producing severe eye irritation. It is in toxicity category II, "moderately toxic", if inhaled .....
Long-term exposure to chlorothalonil resulted in kidney damage and tumors in animal tests. Carcinogenic - Chlorothalonil is a Group B2 "probable human carcinogen", based on observations of cancers and tumors of the kidneys and forestomachs in laboratory animals fed diets containing chlorothalonil. Environmental Chlorothalonil was found to be an important factor in the decline of the honey bee population, by making the bees more vulnerable to the gut parasite Nosema ceranae. Chlorothalonil is highly toxic to fish and aquatic invertebrates, but not toxic to birds. Chlorothalonil was found to kill a species of frog within a 24-hour exposure."