{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Day+3+embryo+transfer",
    "query": {
      "intervention": "Day 3 embryo transfer"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Day+3+embryo+transfer&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-18T12:12:55.905Z",
  "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": "NCT02000349",
      "title": "Comparison of Frozen-thawed Embryo Transfers and Fresh Embryo Transfers With Whole Chromosome Analysis Using Next Generation Sequencing",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "PGD",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Reprogenetics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 42 Years · Female only"
      },
      "enrollment_count": 186,
      "start_date": "2013-09",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2015-11-17",
      "last_synced_at": "2026-09-18T12:12:55.905Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02000349"
    },
    {
      "nct_id": "NCT01635036",
      "title": "Eeva 12-well Dish Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "In-vitro fertilization using Eeva",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Progyny, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2012-06",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2014-01-13",
      "last_synced_at": "2026-09-18T12:12:55.905Z",
      "location_count": 1,
      "location_summary": "Encino, California",
      "locations": [
        {
          "city": "Encino",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01635036"
    },
    {
      "nct_id": "NCT06746129",
      "title": "Cleavage-stage Versus Blastocyst-stage Embryo Transfer in IVF Patients With Few Embryos",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infertility (IVF Patients)"
      ],
      "interventions": [
        {
          "name": "embryo transfer",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 1126,
      "start_date": "2025-09-10",
      "completion_date": "2031-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-09-18T12:12:55.905Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06746129"
    },
    {
      "nct_id": "NCT04190732",
      "title": "Impact of Physician Contact on Patient Anxiety During the Waiting Period After Embryo Transfer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Physician phone call",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston IVF",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "43 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 43 Years · Female only"
      },
      "enrollment_count": 231,
      "start_date": "2020-01-06",
      "completion_date": "2022-06",
      "has_results": false,
      "last_update_posted_date": "2022-03-11",
      "last_synced_at": "2026-09-18T12:12:55.905Z",
      "location_count": 1,
      "location_summary": "Waltham, Massachusetts",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04190732"
    },
    {
      "nct_id": "NCT04939064",
      "title": "Endometrial Basis for Infertility in Women With Recurrent Implantation Failure and Pregnancy Loss",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Normal Endometrial Physiology"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 42 Years · Female only"
      },
      "enrollment_count": 3,
      "start_date": "2022-09-30",
      "completion_date": "2023-12-05",
      "has_results": false,
      "last_update_posted_date": "2024-03-22",
      "last_synced_at": "2026-09-18T12:12:55.905Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04939064"
    },
    {
      "nct_id": "NCT02301637",
      "title": "Eeva System Imaging Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Eeva™ Test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Progyny, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 500,
      "start_date": "2014-10",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2015-07-13",
      "last_synced_at": "2026-09-18T12:12:55.905Z",
      "location_count": 6,
      "location_summary": "Chicago, Illinois • Carmel, Indiana • Iowa City, Iowa + 3 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Carmel",
          "state": "Indiana"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02301637"
    },
    {
      "nct_id": "NCT00615771",
      "title": "Day of Embryo Transfer for Patients Undergoing In Vitro Fertilization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Day 3 embryo transfer",
          "type": "PROCEDURE"
        },
        {
          "name": "Day 2 embryo transfer",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 242,
      "start_date": "2007-01",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2016-11-28",
      "last_synced_at": "2026-09-18T12:12:55.905Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00615771"
    },
    {
      "nct_id": "NCT01058382",
      "title": "Progesterone Support of FET",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Frozen Embryo Pregnancy Rate"
      ],
      "interventions": [
        {
          "name": "Progesterone Vaginal Suppositories",
          "type": "DRUG"
        },
        {
          "name": "Intramuscular Progesterone-in-Oil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Charles Coddington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 50 Years · Female only"
      },
      "enrollment_count": 57,
      "start_date": "2010-02",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2013-05-10",
      "last_synced_at": "2026-09-18T12:12:55.905Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01058382"
    },
    {
      "nct_id": "NCT01671657",
      "title": "US Eeva™ Pregnancy Investigational Clinical Study (US EPIC)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Progyny, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 100,
      "start_date": "2013-01",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2015-10-20",
      "last_synced_at": "2026-09-18T12:12:55.905Z",
      "location_count": 1,
      "location_summary": "San Jose, California",
      "locations": [
        {
          "city": "San Jose",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01671657"
    },
    {
      "nct_id": "NCT04330066",
      "title": "Impact of Endometrial Compaction in Euploid Frozen Embryo Transfers",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility, Female"
      ],
      "interventions": [
        {
          "name": "Abdominal ultrasound measurement of the endometrial lining",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Boston IVF",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 187,
      "start_date": "2020-09-01",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2022-03-11",
      "last_synced_at": "2026-09-18T12:12:55.905Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04330066"
    }
  ]
}