This sheet is about exposure to DEET in pregnancy and while breastfeeding. This information is based on available published literature. It should not take the place of medical care and advice from your healthcare provider. What is N,N-diethyl-meta-toluamide (DEET)? N,N-diethyl-meta-toluamide or m-DET (DEET) is the active ingredient in many insect repellents. It is the most […]