Prolonged menstruation after a failed transfer is usually caused by progesterone, which may produce withdrawal bleeding leading to prolonged menstruation when discontinued after a failed transfer.
After an IVF transfer, progesterone-based medications are used to promote a successful pregnancy in order to achieve successful embryo implantation.
After the failure of implantation, the use of progesterone will be stopped to protect the fetus, after the exogenous progesterone is stopped, it may lead to endometrial exfoliation bleeding phenomenon, due to the thickening of the uterine lining bleeding time may be prolonged, and most of them can be returned to normal on their own.
After the failure of transplantation, the doctor should formulate an individualized treatment plan according to the specific situation as soon as possible, so as not to delay the treatment. The use of medication should be in accordance with the doctor’s instructions.