 [ Symptoms ] can i wear some type of mask to prevent me from inhaling second hand smoke while i am pregnant  i am 5 mos pregnant and work at an office with smokers one smokes cigarettes or e cigarettes but outside so i rarely smell her smoke the other smokes a pipe inside the office both assure me that the tobacco products they use have no chemical additives and are all natural am i still at risk from their smoke if so will wearing a dust mask or other filter prevent me from inhaling the smoke it is not an option for them to not smoke around me and i cannot work from a remote location [ Disease ] unless your company is willing to get you a full head respiratory system there is really no simple mask system i am absolutely appalled that you have to inhale secondary smoke at your place of employment no one should be smoking around you period if they cannot provide you with a smoke free environment while you are pregnant then they should be required to pay your full salary for you to stay home i think it is time for you to call the labor board and complain do you work in the united states