In this Monday Dec. 12, 2016 photo, Cambodian migrant construction workers wait for their transport home outside a building site in downtown Bangkok, Thailand. The International Labor Organization says in a report Tuesday that women make up almost 40 percent of migrant construction workers in Thailand, more than almost anywhere else in the world. But the large numbers only serve to magnify their problems, including lower pay and the risk of being fired if they get pregnant. (AP Photo/ <PERSON>)