Do hot baths really cause miscarriage? Learn the risks of hot baths and high temperatures when you’re pregnant.
Raising your body temperature above 101 degrees in the first trimester increases risk of gastroschisis and anencephaly, a neural tube defect.
Hot tubs and Bikram Yoga are around 105 degrees, as are very hot days, so avoid these in the first trimester. After the neural tube forms in first trimester, it may be safer.
A Spanish study did find that very hot days seemed to induce labor earlier (by about 5 days). So if you’re near your due date, consider staying inside on hot days.
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