Experts speculate that women’s breath volume increases by 21% during pregnancy, and the smell of human breath is one of the main reasons for attracting mosquitoes. Since mosquitoes are the main vector for the transmission of a number of diseases, including malaria and BSE, pregnant women should pay more attention to preventing mosquito bites. Pregnant women to prevent mosquito bites should not use chemical insecticides and harmful mosquito incense, most of the active ingredients of mosquito incense is pyrethroid insecticide. In the mosquito incense burning smoke contains very small particles and chemicals, harmful to pregnant women and fetuses. Therefore, pregnant women to prevent mosquito bites advocate the use of “green methods”: 1, with mosquito nets or screens to isolate mosquitoes outside. Mosquito nets can avoid mosquitoes and wind, but also can absorb the dust, filtering air, especially for pregnant women and children. The screen window allows fresh air into the room, while allowing the flow of harmful fumes to go outside. 2, in the bedroom placed in a pot or two of blooming nightshade, jasmine, Milan, mint or roses, mosquitoes because they can not stand the smell and avoid. 3, indoor installation of orange bulbs, or use the light-transmitting orange cellophane set on the bulb, after the light will be afraid of orange light and mosquitoes flee. 4, with empty bottles or goblets filled with sugar or beer in the shade, mosquitoes will smell the sweet smell of wine to the bottle, will be sugar or beer sticky to death. 5, raw garlic, through the body’s physiological metabolism from the sweat out of the body, will produce a mosquitoes dare not approach the smell. 6, the mosquitoes are easy to breed and breeding places clean. Still water and blocked sink are mosquito breeding places, mosquitoes will lay eggs in still water and will soon hatch into larvae. Therefore, clear the front of the house and indoor water, can effectively prevent the breeding of mosquitoes. 7, try to wear light-colored clothes, such as yellow or white. Because dark clothes are easy to be bitten, such as dark blue, brown or black. 8, diligent bathing can reduce the body secretion of sweat, mosquitoes are not easy to bite. 9, in the collar, cuffs and other places to spray flower lotion, can also prevent mosquito bites. 10, the smart use of refrigerators. Home refrigerator back of the compressor work, its shell temperature is usually 45-60 ℃, and uniform heat. If the market will be sold on the electronic mosquito killer special mosquito tablets to buy, in the evening on the refrigerator compressor shell, the use of the rest of the heat evaporation tablets, can also achieve good results.