[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"luteal-phase-insufficiency\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:luteal-phase-insufficiency":39},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":4,"hasResults":10,"nctId":11,"briefTitle":12,"officialTitle":13,"acronym":14,"eligibilityCriteria":15,"healthyVolunteers":16,"sex":17,"minAge":4,"maxAge":4,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":4,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":28,"lastUpdatePostDateStruct":29,"startDateStruct":32,"completionDateStruct":34,"leadSponsor":36,"locationsCount":5},"100595150",false,"NCT07028710","Early Luteal Phase Progesterone Kinetics After hCG-Induced Ovulation in Modified Natural Cycle","Evolution of Luteal Progesteronemia in a Modified Natural Cycle (Ovulation Triggered by hCG): Pilot Study","CineP4","Inclusion Criteria:\n\n* At least 1 follicle of 14 mm or more\n* Endometrium of 6 mm or more\n* Plasma luteinizing hormone (LH) less than 2 times basal level (measured at the beginning of the cycle between D1 and D4) and progesteronemia less than 1.5 ng\u002FmL\n* For whom ovulation induction with recombinant hCG (Ovitrelle) is then proposed (standard care).\n\nExclusion Criteria:\n\n* Patient whose venous capital contraindicates repeated blood sampling over a short period of time over a short period.\n* Patient treated with exogenous natural progesterone (vaginal or injectable) which may interfere or synthetic progesterone, which may interfere with endogenous progesterone secretion.\n* Patient who has not given written consent to participate in the study.\n* Patient not fluent in French.\n* Patient under guardianship, curators or without social security coverage.\n* Patient participating in another study with an ongoing exclusion period or other interventional research with no ongoing exclusion period involves the use of a drug or procedure capable of altering progesterone levels .",true,"FEMALE",{"count":19,"type":20},40,"ESTIMATED","INTERVENTIONAL",[23],"NA","This pilot study evaluates how progesterone levels change after hCG-triggered ovulation in modified natural cycles. Forty women preparing for frozen embryo transfer will have blood tests over 6 days to monitor hormone levels. The goal is to understand whether hCG affects the timing of the luteal phase and embryo implantation.",[26],"Luteal Phase Insufficiency","RECRUITING","2026-06-17",{"date":30,"type":31},"2026-06-22","ACTUAL",{"date":33,"type":31},"2026-01-12",{"date":35,"type":20},"2030-06-15",{"name":37,"class":38},"University Hospital, Montpellier","OTHER",""]