[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100622836":3},{"organization":4,"armGroups":7,"interventions":7,"overallOfficials":7,"centralContacts":7,"locations":8,"responsibleParty":27,"collaborators":7,"id":31,"slug":7,"hasResults":32,"nctId":33,"briefTitle":34,"officialTitle":35,"acronym":7,"eligibilityCriteria":36,"healthyVolunteers":32,"sex":37,"minAge":38,"maxAge":39,"enrollmentInfo":40,"targetDuration":7,"studyType":43,"phases":7,"briefSummary":44,"conditions":45,"keywords":7,"overallStatus":11,"whyStopped":7,"lastUpdateSubmitDate":47,"lastUpdatePostDateStruct":48,"startDateStruct":51,"completionDateStruct":53,"leadSponsor":55,"locationsCount":56},{"fullName":5,"class":6},"Chinese University of Hong Kong","OTHER",null,[9],{"facility":10,"status":11,"city":12,"state":7,"zip":7,"country":13,"countryCode":14,"cosmosGeoPoint":15,"geoPoint":20,"contacts":21},"The Chinese University of Hong Kong","RECRUITING","Hong Kong","China","CN",{"type":16,"coordinates":17},"Point",[18,19],114.17469,22.27832,{"lat":19,"lon":18},[22],{"name":23,"role":24,"phone":25,"phoneExt":7,"email":26},"Chung PW Pui Wah, Jacqueline","CONTACT","35051537","jacquelinechung@cuhk.edu.hk",{"type":28,"investigatorFullName":29,"investigatorTitle":30,"investigatorAffiliation":5,"oldNameTitle":7,"oldOrganization":7},"PRINCIPAL_INVESTIGATOR","Chung Pui Wah Jacqueline","Associate Professor","100622836",false,"NCT07388797","Impact of Serum Progesterone Levels on Embryo Transfer Day on Clinical Pregnancy","Impact of Serum Progesterone Levels on Embryo Transfer Day on Clinical Pregnancy in Frozen-thawed Embryo Transfer Cycles Using Hormone Replacement Therapy: a Prospective Observational Study","Inclusion Criteria:\n\n* Patients undergoing FET cycles\n* Infertility patients aged \\>18 years old and \\\u003C 42 years old\n* BMI \\\u003C 30 kg\u002Fm2\n* Transfer of at least one good-quality embryo.\n\nExclusion Criteria:\n\n* Severe endocrine disorders (e.g., thyroid dysfunction, premature ovarian failure).\n* Severe uterine factors without treatment (severe endometriosis, extensive or subendometrial fibroid, uterine adherent, endometrial polyps)","FEMALE","18 Years","42 Years",{"count":41,"type":42},370,"ESTIMATED","OBSERVATIONAL","Hypotheses:\n\nWe hypothesize that serum progesterone levels on the day of embryo transfer in HRT-FET cycles are positively associated with clinical pregnancy rates.\n\nAims:\n\nTo evaluate the relationship between serum progesterone levels on embryo transfer day and clinical pregnancy outcomes in frozen-thawed embryo transfer cycles using hormone replacement therapy (HRT).\n\nPrimary outcome:\n\nTo compare the incidence of clinical pregnancy outcome in those infertility patients undergoing frozen embryo transfer with caterized Progesterone level on the day of embryo transfer\n\nSecondary outcomes:\n\nBiochemical pregnancy rate. Implantation rate. Early pregnancy loss rate. Ectopic pregnancy rate.",[46],"Reproductive Issues","2026-05-08",{"date":49,"type":50},"2026-05-11","ACTUAL",{"date":52,"type":50},"2026-01-20",{"date":54,"type":42},"2028-12-31",{"name":5,"class":6},1]