sandhiya had to take several months off work after her loss. built up huge debts during that time, which they're still paying off. i still think about that baby a lot and wonder why the child isn't with me. was it because i worked so hard in the sun? i don't know. i think about it and just feel so bad. india is one of the countries most exposed and vulnerable to heat globally. the number of hot days and hot nights are projected to double — or even quadruple — by 2050, according to india's centre for policy research. i wanted to better understand how the researchers behind the study on heat stress and pregnancy have reached their troubling conclusions. we pick up rekha shanmugam, who's from the sri ramachandra research institute in chennai. she's been investigating the impact of heat stress on pregnancy for the last seven years and wanted to show me how she's been doing it. throughout her study, her team would set up this temperature gauge, measuring the level of heat workers were exposed to during their shifts on several days throughout their p