For 8,000 male and female workers at five AT&T; manufacturing plants around the U.S., a "clean room" is the low-humidity, highly sanitized workplace where noxious chemicals are used to make silicon wafers into microchips. Yet the clean rooms may be anything but. Last week AT&T; disclosed that 15 pregnant employees who worked in those production areas had been warned about a sharply increased risk of miscarriage. When the company "strongly recommended" that they transfer to new jobs, at least until after they had given birth, all complied.
The AT&T; move was the most recent response to evidence that the work involved...