CSF3 and endometrial polyp: The cause of IVF cancelation was low endometrial thickness (n = 6), endometrial polyps (n = 2), and lack of cleavage (n = 1) in the control group and irregular endometrium (n = 2), lack of cleavage (n = 2), low endometrial thickness (n = 1), and spotting (n = 2) in the G-CSF group.