If the fertilized egg is successfully implanted, there will be no pink discharge under normal circumstances. Fertilized egg implantation is a normal physiological process, then the normal physiological process will not cause the endometrium in the implantation of the endometrial shedding and cause bleeding phenomenon, so daily life calculated to this time may be the implantation of the fertilized egg, and there is a pink discharge, we should pay attention to the following possibilities: the first one, pay attention to whether it is a biochemical pregnancy, it is recommended that you go to the hospital to draw blood to check the blood HCG and check again every other day. HCG and check again every other day, if the value of HCG has decreased, then it is likely to be a biochemical pregnancy resulting in pink discharge. Secondly, clinically, it is necessary to pay attention to whether there is a premonition of menstruation because there is no pregnancy at all, so it is necessary to make a difference and deal with it according to different situations.