While there are still no conclusive answers, all signs point to the fact that pregnant women tend to attract mosquitoes more than the average person. One of the possible reasons for that is the elevation of their body temperature during the gestation period. Since bugs have a heightened sense of orientation based on the emission of lactic acid through sweating and carbon dioxide through breathing, they can quickly identify their prey and go to town on your skin. 

Hormonal alterations cause swelling, which makes the bug bites hurt even more. However, that discomfort is nothing compared to the fear of contracting dengue, yellow fever, or even the dreaded Zika virus, responsible for causing microcephaly to the fetus. 

Bug spray is the most efficient way to ward off the Aedes aegypti mosquito, but its daily use during pregnancy needs to be cleared by a doctor. Usually, the product must contain Icaridine, IR3535 (ethyl butylacetylaminopropionate) and DEET (diethyltoluamide), the only substances proven to stop bug bites. The formula must be applied only on the exposed areas, so as to avoid allergy reactions, and should never come into contact with the eyes, nose or mouth.

Another recommendation is to wear light-colored clothing, which is less perceptive to the mosquitoes, and, whenever possible, long-sleeved shirts and pants. The Aedes aegypti is usually more active in the early mornings and late evenings.