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Patients with a history of repeated a nd unexplained im-plantation failure after IVF-embry o transfer and a high u-terine natural killer cell count dur ing estrogen-progestin treatment may bene-fit from controlled natural IVF-ET.
Patients with a history of repeated a nd unexplained im-plantation failure after IVF-embryo transfer and a high u-terine natural killer cell count dur ing estrogen-progestin treatment may bene-fit from controlled natural IVF-ET.