ZIFT is recommended to patients who may not be IVF candidates and whose success is inhibited by male factor or sperm antibodies in the cervix. ZIFT is a combination of the IVF and GIFT procedures, with IVF be employed-up to the stage of embryo transfer. A laparoscopy is performed and the embryos, which have been loaded into a catheter are placed into the ampulla, of the fallopian tubes.