3 days after delivery, the bloody discharge has been very little, is a normal phenomenon, then the normal postpartum general bloody discharge to about 9 days will be completely clean. 3 days after delivery, the amount of bad dew has been reduced, indicating that the uterine contraction is better, so that the blood sinus of the placental stripping surface is completely closed, the vaginal bleeding will be significantly reduced. However, postpartum due to maternal weakness, coupled with the peeling surface between the placenta and the uterus, the cervical mucosa damage, the chance of infection will increase. Therefore, you must keep the vulva clean after delivery, scrub the vulva with iodophor twice a day, and change sanitary napkins diligently. Then after delivery, the bloody discharge is usually cleaned up after 9 days and turns into plasma discharge, which lasts for about 10 days and will turn into white discharge.