A study published in the November 15, 2003, issue of the American Journal of Epidemiology found that women who used hot tubs or Jacuzzis in early pregnancy were twice as likely to have a miscarriage as women who did not.
"Based on our findings I would say that women in the early stages of pregnancy
The study, "Hot Tub Use during Pregnancy and the Risk of Miscarriage," found that the miscarriage risk went up with more frequent hot tub or Jacuzzi use, and with use in the early stages of a pregnancy. Furthermore, among women who remembered the temperature settings of their hot tubs or Jacuzzis, the study found some indications that the risk of having a miscarriage may increase with higher water temperature settings.
This is the third study on miscarriages released by Kaiser Permanente in the last two years. In August, the British Medical Journal published a study showing the increased risk of miscarriages in women who used non-steroidal anti-inflammatory drugs (NSAIDs). Exposure to high levels of magnetic fields