Is it safe to use a sauna or hot tub in pregnancy?

I think yes, if we are talking about using an infrared sauna, where you can adjust the temperature. In general, I advise you to visit the site https://infraredsaunaexpert.com/ where you will find detailed video reviews of the best infrared saunas and you can read blogs about how infrared sauna affects health. It will be useful to everyone who likes to visit the sauna.