Benzhydryl CompoundsLeechesPhenolsEstrogens, Non-SteroidalEndocrine DisruptorsPrenatal Exposure Delayed EffectsEnvironmental PollutantsMaternal ExposureEnvironmental ExposureHirudo medicinalisPregnancyOccupational ExposureAir Pollutants, OccupationalLeechingInhalation ExposureEnvironmental MonitoringMaximum Allowable ConcentrationDustThreshold Limit ValuesIndustryMetallurgyVentilationNoise, OccupationalStyreneGangliaGanglia, InvertebrateTetrachloroethyleneChemical IndustryBenzeneOccupational DiseasesAir Pollution, IndoorHazardous SubstancesHearing Loss, Noise-Induced