A certain sense of menstruation after the embryo transfer does not mean that the transfer has failed, but may be a normal physiological phenomenon after the embryo transfer. Because after the embryo transfer, the impact on the intrauterine environment itself, there may be a slight abdominal distension, abdominal pain, or even an obvious feeling of falling or a small amount of bleeding, as long as there is no heavy bleeding, it does not mean that the transfer has failed. Therefore, if a certain sense of menstruation occurs after the transfer, giving certain luteal support, for example, through the injection of progesterone or oral progesterone, can effectively replenish the body’s hormone level, and can effectively avoid the aggravation of this symptom. Generally, two weeks after the embryo transfer, you need to go to the hospital for a blood test to determine whether the transfer is successful, and then according to the hormone levels in the body, the fertility preservation treatment.