1, heparin is an anticoagulant which can inhibit blood coagulation. During menstruation, women's endometrium falls off, which will lead to bleeding. If heparin is used at this time, it may increase the risk of bleeding, leading to menorrhagia or prolonged menstruation.
2. During menstruation, a woman's body will release some hormones, which will affect the effect of heparin. Therefore, heparin may not achieve the expected anticoagulant effect, thus affecting the effect of dialysis.