Answer: In most cases, you do not want to sit in the hot during pregnancy. You do not want to sit in water hotter than 100 degrees Fahrenheit because it can cause damage to your developing baby. This is especially true during the first trimester.
If you have control over the temperature of the hot tub, you can soak in warm water that does not make boost your heart rate. This could prevent the right nutrients from reaching your baby. During pregnancy, you also have the ability to overheat easily, potentially passing out.
For many pregnant women, sitting in a hot tub offers a relaxing time. If this is true for you, you may want to consider taking a dip in the bath tub instead.