Liquid mosquito liquid pregnant women are best not to use. Liquid mosquito repellent active ingredient is mainly used is a chemical component called pyrethroids, this component will have a small amount of harm to the human body. Pregnant women inhaled into the body, may pass through the placenta into the fetal body, the growth and development of the fetus has an impact, so pregnant women are best not to use mosquito liquid, you can use mosquito nets to prevent mosquitoes. Pregnant women during pregnancy should pay attention to the usual use of objects, avoid contact with chemical substances, so as not to affect the development of the fetus. Pregnant women during pregnancy should pay attention to strengthen the nutrition, to ensure balanced nutrition, more rest, to avoid tiredness, stay up late, to ensure adequate sleep, maintain a good mood, and do a good job of pregnancy checkups on time.