After the transfer, you need to follow the doctor’s instructions for the injection of human chorionic gonadotropin. If you have taken too much human chorionic gonadotropin, you need to go to the hospital and inform the doctor to see if you need to adjust the medication, and then follow the doctor’s instructions to deal with the situation. The injection of human chorionic gonadotropin after the transfer is mainly to maintain the function of the ovaries, to support the embryo’s implantation, to carry out luteal support, and to improve the chances of success of the transfer. Women should follow the doctor’s instructions for injections after the transfer. If too much is given, it usually does not have much effect on the fetus, but it is still necessary to inform the doctor to see if the medication needs to be adjusted. Adverse reactions such as pain at the injection site, headache, malaise, depression, and rare allergic reactions may occur during the use of human chorionic gonadotropin. This product should be used only under the supervision of a doctor.