If we're serious about protecting pregnancies, we need to stop spraying pesticides
While dietary pesticide levels are regulated, many studies – including urine biomonitoring – have shown less difference in pesticide load between children eating organic and conventional diets in cities than we would expect. Why? Because exposure is happening elsewhere.
Pesticides are being sprayed by building managers, neighbours, city governments and businesses – on sidewalks, in apartment hallways, in parks, and even indoors. Many women are exposed without ever handling these chemicals themselves. In fact, a 2020 study found that urban women who used pesticides at home had the same increased risk of birth defects as women exposed to farm drift: a threefold increase in holoprosencephaly, one of the most common birth defects in the US.
We must shift the conversation beyond food. These chemicals are in the air women breathe and the homes they live in – often without their knowledge or consent. If we're serious about protecting pregnancies, we need to stop the spraying.Molly ShaveOlympia, Washington, US
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If we're serious about protecting pregnancies, we need to stop spraying pesticides
As a biochemist trained in environmental health, I was relieved to see coverage of pesticide exposure and pregnancy risk (Exposure to a mix of pesticides raises risk of pregnancy complications, study suggests, 19 July). But one key detail is missing: food is not the main route of exposure for most women, especially in urban environments. While dietary pesticide levels are regulated, many studies – including urine biomonitoring – have shown less difference in pesticide load between children eating organic and conventional diets in cities than we would expect. Why? Because exposure is happening elsewhere. Pesticides are being sprayed by building managers, neighbours, city governments and businesses – on sidewalks, in apartment hallways, in parks, and even indoors. Many women are exposed without ever handling these chemicals themselves. In fact, a 2020 study found that urban women who used pesticides at home had the same increased risk of birth defects as women exposed to farm drift: a threefold increase in holoprosencephaly, one of the most common birth defects in the US. We must shift the conversation beyond food. These chemicals are in the air women breathe and the homes they live in – often without their knowledge or consent. If we're serious about protecting pregnancies, we need to stop the ShaveOlympia, Washington, US
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