not really sure about the side effects but for me I try to avoid second hand smoke or vape as much as I can. Even when I enter a lift full of cigarette smell I would try holding my breath or exit the lift if I'm going higher levels. (pre pregnancy I was okay with cigarette smell thou I don't smoke but during pregnancy my body auto cannot stand the smell anymore) My friends would now step away to smoke/vape during gatherings since they know I'm pregnant. But since it's not exposure to long period of time, I don't think there will be any significant impact.
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