Research-approved temps for outdoor workouts, saunas, and swims
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According to the new analysis, exercising in 77-degree weather only raised pregnant women’s core temps to 101 degrees, below the 102-degree danger zone for humans. Bathing, swimming, and sitting in saunas had lesser effects. Despite a lack of research, Jay says that sweating in even hotter climates is probably safe for these women, too.
The analysis shows that without risking their health, pregnant women—in any trimester—can train in 77-degree conditions at 90 percent of their maximum heart rate for up to 35 minutes, swim in a warm pool for up to 45 minutes, and recover in a hot bath or sauna for up to 20 minutes.
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