Safe Mosquito Repellent During Pregnancy. Deet repellents are believed to be effective and safe. Clinical trials have demonstrated that there are no adverse neurological, physiological, or gastrointestinal side effects of using mosquito sprays during pregnancy, even for one year after the birth of infants.
Two mosquito repellents that have been registered by the epa and have studies to back their safety for pregnancy and breastfeeding are: However, they are usually effective for about two to five hours after application. These are two mosquito repellents that have been registered by the epa and have studies to back their safety for use during pregnancy and breastfeeding :