1. Precautions for pregnant women when using hair dryers During pregnancy, pregnant women need to pay special attention to their health and safety. When using a hair dryer, you also need to follow some precautions. First of all, choose a hair dryer that is of good quality, safe and reliable to avoid potential safety hazards such as electric leakage. Secondly, keep a distance when using it, and do not let the hot air blow directly towards the belly, so as not to affect the development of the fetus.