Not applicableStudy completedNCT05215119What this trial is testingImmediate Versus Delayed Natural Cycle Frozen Embryo TransfersWho this might be right forClinical Pregnancy Antalya IVF 818
Post-approval studies (Phase 4)Study completedNCT00633347What this trial is testingUse of Antagonist Versus Agonist GnRH in Oocyte Recipient Endometrium PreparationWho this might be right forInfertility Instituto Valenciano de Infertilidad, IVI VALENCIA 570
Not applicableLooking for participantsNCT07675213What this trial is testingEndometrial Peristalsis and Pregnancy Outcomes in Hormone Replacement Therapy (HRT) - Frozen Embryo Transfer (FET) CyclesWho this might be right forInfertilityEndometrial PeristalsisUterine Contraction+4 more Mỹ Đức Hospital 442
Not applicableUnknownNCT03518528What this trial is testingComparison of Vaginal and Transdermal Oestrogen Before Frozen Thawed Embryo TransferWho this might be right forEmbryo TransferInfertility University Hospital, Angers 100
Not applicableEnded earlyNCT05802303What this trial is testingEstrogen (Gel)Transdermal vs Oral Estrogen for Endometrial PreparationWho this might be right forFrozen Embryo TransferInfertility, Female Indira IVF Hospital Pvt Ltd 172
Large-scale testing (Phase 3)Study completedNCT05189873What this trial is testingGnRH Agonist Plus Hormone Replacement Therapy vs Hormone Replacement Therapy on IVF OutcomesWho this might be right forPolycystic Ovary SyndromeInfertility, Female Tehran University of Medical Sciences 128
Post-approval studies (Phase 4)Study completedNCT01668446What this trial is testingEffect of Adding Sildenafil to Protocol of Endometrial Preparation in Outcome of Frozen-thawed Embryo Transfer CyclesWho this might be right forEndometrial PreparationFrozen Embryo Transfer farzaneh hojjat 2
Post-approval studies (Phase 4)Study completedNCT06316206What this trial is testingThe Use of Ethinylestradiol/Dienogest in Random Start Rapid Endometrial PreparationWho this might be right forEndometrial PolypEndometrial Diseases University of Palermo 80
Not applicableStudy completedNCT03578172What this trial is testingHMG Stimulation Versus HRT for Endometrial Preparation Prior to Blastocyst Transfer in Moderate to Severe IUA PatientsWho this might be right forInfertility, FemaleIntrauterine Adhesion Reproductive & Genetic Hospital of CITIC-Xiangya 186
Not applicableStudy completedNCT03272412What this trial is testingSerum Progesterone on the Day of Embryo Transfer and Pregnancy Rate.Who this might be right forOngoing Pregnancy Rate Instituto Valenciano de Infertilidad, IVI VALENCIA 1,205
Post-approval studies (Phase 4)Temporarily pausedNCT00345306What this trial is testingArtificial Endometrial Preparation for Frozen Thawed Embryo Transfer Applying Either Endometrin or UtrogestanWho this might be right forFrozen Thawed Embryo Transfer Hadassah Medical Organization 120
Not applicableLooking for participantsNCT07461909What this trial is testingComparison of Two Vaginal Progesterone Forms in Frozen Embryo TransferWho this might be right forFrozen Embryo Transfer (FET)InfertilityArtificial Cycle+1 more Instituto Valenciano de Infertilidade de Lisboa 400
Post-approval studies (Phase 4)UnknownNCT04364581What this trial is testingEndometrial Preparation by Short Course of Letrozole Before Hysteroscopic Removal of Endocavitary LesionsWho this might be right forMyoma;Uterus Mansoura University 30
Post-approval studies (Phase 4)Study completedNCT06324851What this trial is testingThe Use of Drospirenone/Estetrol, Nomegestrol Acetate/Estradiol and Ethinylestradiol/Dienogest in Random Start Rapid Endometrial PreparationWho this might be right forEndometrial PolypEndometrial Diseases University of Palermo 150
Not applicableStudy completedNCT04278508What this trial is testingSerum Progesterone on the Day of Thawed Embryo Transfer and Pregnancy Rate After an Artificial Endometrial PreparationWho this might be right forIVF Hillel Yaffe Medical Center 38
Testing effectiveness (Phase 2)Study completedNCT03701490What this trial is testingProlutex in Frozen Embryo Transfer Cycles At the Blastocyst Stage (PROGEX)Who this might be right forInfertility IBSA Institut Biochimique SA 213
Large-scale testing (Phase 3)Study completedNCT00522873What this trial is testingEndometrial Safety StudyWho this might be right forPostmenopause Bayer 662
Not applicableLooking for participantsNCT06006091What this trial is testingThe Effectiveness of the Letrozole-induced Endometrial Preparation Protocol in Frozen-thawed Embryo Transfer (FET)Who this might be right forLetrozoleInfertility, Female International Peace Maternity and Child Health Hospital 858
Not applicableLooking for participantsNCT07697781What this trial is testingOffice Hysteroscopy in Postmenopausal Women: A Randomized Trial of Cervical Preparation StrategiesWho this might be right forPostmenopausal WomenIntrauterine DiseasesEndometrial Pathology+2 more Faculty of Medicine of Tunis 120
Post-approval studies (Phase 4)UnknownNCT06181305What this trial is testingEndometrial Preparation in Frozen Embryo Transfer CyclesWho this might be right forIVF Rahem Fertility Center 210