Study links occupational exposures with risk of miscarriage. Anesthetic gases, radiation, pesticides are areas  of concern for pregnant workers.
D000022:Abortion, Spontaneous / Q000453:epidemiology*; D018685:Anesthetics, Inhalation / Q000009:adverse effects; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D016273:Occupational Exposure / Q000009:adverse effects*; D010575:Pesticides / Q000009:adverse effects; D011247:Pregnancy; D011839:Radiation, Ionizing; D012307:Risk Factors; D018634:Veterinarians; D014730:Veterinary Medicine / Q000379:methods* / Q000592:standards; D014931:Women, Working
D018685:Anesthetics, Inhalation; D010575:Pesticides