Generally speaking, you can’t donate blood during breastfeeding. Women will experience a drop in hemoglobin due to blood loss during childbirth, coupled with the fact that post-partum breastfeeding may lead to relative physical weakness, if you donate blood during breastfeeding is likely to anemia or aggravate the phenomenon of anemia, and once the anemia affects the amount of breastmilk secretion, so that the reduction of breastmilk or lead to a decline in their own immunity, which is not conducive to good health. It is generally recommended that women who donate blood three days before or after menstruation, within six months after pregnancy and abortion, as well as those who have given birth and breastfeeding for less than a year should not donate blood, so as not to jeopardize their health by donating blood. Try to wait until the lactation period is over before donating blood, and if you have to donate blood under special circumstances, you should go to a regular hospital and follow the doctor’s instructions.