Pregnant women in winter bath interval generally need to vary from person to person, in the case of keeping the skin clean and dry, you can generally take a bath once every 3-4 days. If pregnant women have developed sweat glands, sweat more every day, or contact with more environmental dust and powder, you may need to take a bath once every 1-2 days to avoid bacterial infections. Due to the low temperature in winter, frequent bathing can easily cause cold if you do not pay attention to keep warm. In addition, frequent destruction of the skin barrier can easily cause the occurrence of dermatitis. Therefore, in general, a bath once every 3-4 days is sufficient to ensure body cleanliness and reduce the probability of bacterial infections. However, if some pregnant women are more prone to sweating and their skin feels uncomfortable, they can also increase the number of baths under the premise of good warmth to improve their body comfort and facilitate fetal development. The bathing time in winter should be controlled at about 20 minutes to be able to avoid the vertigo that occurs during the bathing process. The temperature of the bath water should not be too high, and attention should be paid to warmth and air circulation during and after the bath to avoid causing a cold. Pregnant women should try to avoid taking a sitz bath, which is prone to vaginal and uterine infections, and can even cause intrauterine infection in the fetus.