{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transvaginal+Ultrasound",
    "query": {
      "intervention": "Transvaginal Ultrasound"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 60,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transvaginal+Ultrasound&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T00:17:14.648Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT05004870",
      "title": "Home Examinations Researching and Understanding Submucosal Evaluations",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fertility Issues"
      ],
      "interventions": [
        {
          "name": "Transvaginal ultrasound performed by a woman herself (with HCP supervision via telemedicine)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Turtle Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2021-12-16",
      "completion_date": "2021-12-17",
      "has_results": false,
      "last_update_posted_date": "2022-04-29",
      "last_synced_at": "2026-09-04T00:17:14.648Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05004870"
    },
    {
      "nct_id": "NCT04616417",
      "title": "Investigational Oocyte Cryopreservation for Medical and Non Medical Indications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility, Female",
        "Deferred Childbearing"
      ],
      "interventions": [
        {
          "name": "Investigational Oocyte Cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 29,
      "start_date": "2015-05-08",
      "completion_date": "2023-03-20",
      "has_results": true,
      "last_update_posted_date": "2024-07-30",
      "last_synced_at": "2026-09-04T00:17:14.648Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04616417"
    },
    {
      "nct_id": "NCT07280312",
      "title": "Ultrasound Microvessel Imaging for the Evaluation of Ovarian and Adnexal Lesions",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Female Reproductive System Adnexal Neoplasm",
        "Ovarian Carcinoma",
        "Female Reproductive System Neoplasm",
        "Ovarian Neoplasms",
        "Adnexal Lesion",
        "Ovarian Lesion"
      ],
      "interventions": [
        {
          "name": "Transvaginal Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound Microvessel Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2026-01-22",
      "completion_date": "2029-12-17",
      "has_results": false,
      "last_update_posted_date": "2026-02-03",
      "last_synced_at": "2026-09-04T00:17:14.648Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07280312"
    },
    {
      "nct_id": "NCT00006421",
      "title": "Breast Imaging Studies in Women at High Genetic Risk of Breast Cancer: Annual Follow-Up Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "2-Fluorodeoxyglucose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 100 Years · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2000-10-25",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-04T00:17:14.648Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006421"
    },
    {
      "nct_id": "NCT06365905",
      "title": "Non-Invasive Identification of Endometrial Cancer/Endometrial Atypical Hyperplasia With an AI-Based Classifier Applied to Transvaginal Ultrasound in Patients With Post-Menopausal Bleeding",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endometrial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "55 Years and older · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2024-03-27",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-09-04T00:17:14.648Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06365905"
    },
    {
      "nct_id": "NCT06206746",
      "title": "The REBALANCE Study - a Prospective, Multicenter, Randomized, Pivotal Study of the May Health System",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome",
        "Infertility, Female"
      ],
      "interventions": [
        {
          "name": "May Health System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "May Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 195,
      "start_date": "2024-03-25",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-09-04T00:17:14.648Z",
      "location_count": 19,
      "location_summary": "Encino, California • San Francisco, California • Tampa, Florida + 16 more",
      "locations": [
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Winter Park",
          "state": "Florida"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06206746"
    },
    {
      "nct_id": "NCT01008319",
      "title": "Traditional Clomiphene Citrate Administration vs. Stair-step Approach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ovulatory Dysfunction",
        "Anovulation",
        "Ovulation Induction"
      ],
      "interventions": [
        {
          "name": "clomiphene citrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2009-10",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2018-01-08",
      "last_synced_at": "2026-09-04T00:17:14.648Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01008319"
    },
    {
      "nct_id": "NCT05246579",
      "title": "Prospective Evaluation of Pathways for Preterm Birth",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preterm Birth",
        "Cervix; Pregnancy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "John O'Brien, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 240,
      "start_date": "2022-02-04",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-09-04T00:17:14.648Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05246579"
    },
    {
      "nct_id": "NCT05397912",
      "title": "Uterine Elastography: a Potential Predictor of Embryo Transfer Success",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility, Female"
      ],
      "interventions": [
        {
          "name": "Uterine Elastography",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Reproductive Medicine Associates of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 162,
      "start_date": "2022-06-15",
      "completion_date": "2023-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-09-04T00:17:14.648Z",
      "location_count": 1,
      "location_summary": "Basking Ridge, New Jersey",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05397912"
    },
    {
      "nct_id": "NCT00033358",
      "title": "Hormone Therapy in Preventing Endometrial Cancer in Patients With a Genetic Risk For Hereditary Nonpolyposis Colon Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "medroxyprogesterone",
          "type": "DRUG"
        },
        {
          "name": "ethinyl estradiol",
          "type": "DRUG"
        },
        {
          "name": "norgestrel",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 50 Years · Female only"
      },
      "enrollment_count": 52,
      "start_date": "2002-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-05-03",
      "last_synced_at": "2026-09-04T00:17:14.648Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00033358"
    }
  ]
}