No, only female mosquitoes bite, regardless of pregnancy. Pregnant women may be more attractive to mosquitoes due to higher metabolic rates and other factors, but only female mosquitoes require a blood meal to produce eggs. This is why they bite humans and animals. Male mosquitoes feed on nectar and other plant juices.
Why Only Female Mosquitoes Bite
Multiple sources confirm this fact:
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Blood for Egg Production: Female mosquitoes need a blood meal to produce eggs. The blood provides essential proteins and nutrients for egg development. (Source: Revista Mètode, Source: DuPage Forest Preserve, Source: CDC, Source: Seattle Children's, Source: EPA)
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Pregnant Women and Mosquito Attraction: While pregnancy doesn't affect whether a mosquito bites, pregnant women tend to attract more mosquitoes due to higher body temperature and increased carbon dioxide emission. (Source: Scientific American, Source: Verywell Health)
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Male Mosquito Diet: Male mosquitoes are not equipped to bite and feed on blood; instead, they primarily feed on nectar and plant juices.
In Summary
Only female mosquitoes bite, and their need for blood is solely to produce eggs, not for sustenance. Pregnant women may be bitten more frequently due to physiological changes, but this doesn't change the fundamental fact that only females bite.
