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Cryopreserved-thawed human embryo transfer: spontaneous natural cycle is superior to human chorionic gonadotropin–induced natural cycle

Developmental BiologyFertilityUterine ReceptivityNatural CycleGynecologyHuman Embryonic DevelopmentReproductive BiologyEmbryo TransferSpontaneous Natural CycleMedicinePublic HealthHuman ReproductionReproductive BiotechnologyReproductive PhysiologyEmbryologyHuman ChorionicReproductive Endocrinology