Plus raising your body temperature for an extended period of time can be dangerous; be sure to consult your doctor before stepping into a sauna or steam room. (businessinsider.com)
It can raise your body temperature so you may feel hot while you're nursing. (verywellfamily.com)
So because birth control affects female hormones, it can also raise your body temperature even further, making you more sensitive to the cold. (glamour.com)