You can open the window to ventilate the room during menstruation, but you should pay attention to keep warm and control the time of ventilation to avoid coldness that may cause discomfort to the mother. You can open the windows regularly to circulate the air in the room and avoid the air being dirty and breeding bacteria. However, the maternal body during the monthly period is relatively weak, resistance is relatively weak, open the window ventilation time should not be too long, according to the outdoor temperature, control the window opening time, the indoor temperature control at 26-28 degrees or so, to avoid the indoor temperature is too low, so that the maternal cold. If the indoor temperature is too high during menstruation, it will easily cause puerperal infections and make the mother feel uncomfortable. Regularly opening windows and ventilating the room can artificially regulate the indoor temperature and make the mother feel comfortable. However, when opening windows for ventilation, you need to pay attention to the outdoor weather. If the weather is cold, you should try to shorten the window opening time to avoid the mother getting cold. During menstruation, you can open the windows and ventilate the room to regulate the temperature and freshness of the air, but the ventilation time should be adjusted according to the indoor and outdoor temperatures and the tolerance of the mother.