Pregnant women are advised to avoid contact with mosquito incense during pregnancy, if they have smelled mosquito incense without symptoms of discomfort, it means there is no impact on the fetus as well as the pregnant woman. Once there are uncomfortable symptoms, such as nausea, vomiting, abdominal pain, irregular vaginal bleeding, etc., need to promptly go to the hospital for examination, because the organic dyes, adhesives and other components of mosquito incense on the development of children will have an impact, prone to developmental delays. Pregnant women in the life of an occasional sniff of mosquito incense will not have much impact on the fetus, but avoid prolonged use of mosquito incense, because toxic and harmful gases will enter the body for a long time. Pregnant women are advised to avoid exposure to radiation and irritating gases during pregnancy, and regular checkups to observe the development of the fetus in the womb, in the hot summer you can use mosquito nets and other tools to prevent mosquito bites.