According to the CDC half of the workforce are women. It stands to reason therefore that at some point pregnant women will end up working while using filtering facepiece respirators (what most people know as “dust masks”).
Many pregnant women have reported shortness of breathe which have raised concern about whether pregnant women should actually wear filtering facepiece respirators at all and whether doing so might actually be harming the fetus.
Are recent study found that “The effects of wearing an N95 FFR for one hour are similar for healthy pregnant and non-pregnant women. Wearing an N95 FFR for one hour by healthy pregnant women does not have an effect on the fetal heart rate.”
Read the complete report on the CDC website at N95 Respirator Use During Pregnancy – Findings from Recent NIOSH Research.