The window period for artificial cycle transfer is usually about 3~5 days. Artificial cycle transfer needs to take estrogen under the guidance of the doctor, after which the progesterone conversion takes about 3~5 days, and the embryo transfer is performed after taking the medication, and the specific time of the transfer also varies from person to person, and the general window period of the transfer is about 3~5 days, which can improve the chances of the transfer being successful. The exact time of the transfer also varies from person to person, as each person’s situation is different. Before the artificial cycle, ultrasound is needed to observe the growth of the lining. After the transfer, it is more important to pay attention to regular living habits, pay attention to more rest and strengthen nutrition to improve the success rate of embryo transfer. It is recommended to choose a regular hospital for artificial transfer, make preparations and physical examination in advance, and go to the hospital for relevant diagnosis in time if there is any abnormality.