[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"fetal-arrhythmia\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:fetal-arrhythmia":25},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,2,0,[8,41],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":13,"acronym":14,"eligibilityCriteria":15,"healthyVolunteers":16,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":4,"briefSummary":23,"conditions":24,"keywords":26,"overallStatus":28,"whyStopped":4,"lastUpdateSubmitDate":29,"lastUpdatePostDateStruct":30,"startDateStruct":33,"completionDateStruct":35,"leadSponsor":37,"locationsCount":40},"100289392","electrophysiology-of-fetal-arrhythmia-100289392",false,"NCT03047161","Electrophysiology of Fetal Arrhythmia","fMCG","Inclusion Criteria:\n\n* uncomplicated pregnancy at gestational age \\>12 weeks\n* pregnancy complicated by abnormal fetal heart rate or rhythm or risk of abnormal fetal heart rate or rhythm at gestational age \\>15 weeks\n\nExclusion Criteria:\n\n* uncomplicated pregnancy \\\u003C12 weeks gestation\n* pregnancy complicated by abnormal fetal heart rate or rhythm or risk of abnormal fetal heart rate or rhythm at gestational age \\\u003C15 weeks",true,"FEMALE","18 Years",{"count":20,"type":21},450,"ESTIMATED","OBSERVATIONAL","Fetal research and clinical practice has been hampered by a lack of suitable investigational techniques. Currently, ultrasound is the only widely used method of studying fetal anatomy and physiology, but it has significant limitations for assessment of cardiac rhythm. The proposed study will allow the investigators to evaluate fetal magnetocardiography (fMCG) as a new tool for the study of normal and abnormal fetal heart rate and rhythm.",[25],"Fetal Arrhythmia",[27],"magnetocardiography","RECRUITING","2026-04-29",{"date":31,"type":32},"2026-05-05","ACTUAL",{"date":34,"type":32},"2017-02-07",{"date":36,"type":21},"2028-05-30",{"name":38,"class":39},"University of Wisconsin, Madison","OTHER",1,{"id":42,"slug":43,"hasResults":11,"nctId":44,"briefTitle":45,"officialTitle":46,"acronym":4,"eligibilityCriteria":47,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":48,"targetDuration":4,"studyType":22,"phases":4,"briefSummary":50,"conditions":51,"keywords":70,"overallStatus":28,"whyStopped":4,"lastUpdateSubmitDate":82,"lastUpdatePostDateStruct":83,"startDateStruct":85,"completionDateStruct":87,"leadSponsor":89,"locationsCount":5},"100345304","fetal-electrophysiologic-abnormalities-in-high-risk-pregnancies-associated-with-fetal-demise-100345304","NCT03775954","Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal Demise","Fetal Electrophysiologic Abnormalities in High-risk Pregnancies Associated With Fetal Demise","Inclusion Criteria:\n\n* Current pregnancy complicated by one of the five diagnostic categories\n\n  * prior unexplained Stillbirth at\u002Fafter 20 weeks gestation\n  * fetal major congenital heart defect\n  * fetal hydrops\n  * fetal gastroschisis\n  * monochorionic twin pregnancy\n* Subject must be 18 years of age or older\n* Subject must be English speaking and must be able to read and sign the consent form in English\n* Subject must be able to recline comfortably for 1-3 hours\n* Subject must be willing to complete all three procedures (fMCG, fMCG, nECG) as per protocol, unless medically unable\n* Subject must be willing to allow us to review her and her infants prenatal, deliver, and post-natal records to verify diagnosis, and clinical findings.\n\nExclusion Criteria:\n\n* Severe claustrophobia not reduced by taking breaks, or by having the light on, or by having someone in the room with them.\n* Active labor\n* Acute illness\n* Unable to recline comfortably with a pillow for more than 1-3 hours (assuming some breaks are provided)\n* Weight over 450 lbs\n* An electric stimulation device (TENS unit, pacemaker, or nerve stimulator) that could produce electric or magnetic noise.\n\n  * Note that the Tristan 624 Magnetometer does not pose a risk to the subject's device, (since fMCG does not produce any energy or magnetism), but stimulators themselves can cause interference for our recordings. Some devices may still qualify, and discussion with study nurse may be useful if subject has a pacemaker or similar device.\n\nThe subject will have a single 2-3 hour fetal magnetocardiogram at approximately 20 and 27 weeks GA, and again, if medical condition allows, between 30 and 37 weeks GA, then her infant will have an ECG between 0 and 4 weeks of age. Subjects will be paid a nominal fee for their participation each time, as well as transportation reimbursement if \\>25 miles. For subjects traveling a long distance, the ECG may be performed locally or at home.",{"count":49,"type":21},30,"Each year world-wide, 2.5 million fetuses die unexpectedly in the last half of pregnancy, 25,000 in the United States, making fetal demise ten-times more common than Sudden Infant Death Syndrome. This study will apply a novel type of non-invasive monitoring, called fetal magnetocardiography (fMCG) used thus far to successfully evaluate fetal arrhythmias, in order to discover potential hidden electrophysiologic abnormalities that could lead to fetal demise in five high-risk pregnancy conditions associated with fetal demise.",[52,53,54,55,56,57,58,25,59,60,61,62,63,64,65,66,67,68,69],"High Risk Pregnancy","Congenital Heart Disease","Fetal Hydrops","Twin Monochorionic Monoamniotic Placenta","Gastroschisis","Fetal Demise","Stillbirth","Long QT Syndrome","Intrauterine Fetal Death","Sudden Infant Death","Pregnancy Loss","Twin Twin Transfusion Syndrome","Birth Defect","Fetal Cardiac Anomaly","Fetal Cardiac Disorder","Fetal Death","Brugada Syndrome","Fetal Tachycardia",[71,58,72,73,74,52,75,76,77,78,79,80,81],"Fetal Magnetocardiography","Intrauterine Fetal Demise","Fetal Heart Rate Variability","Fetal Arrhythmias","Pregnancy","Fetal Anomaly","Fetal Echocardiography","Non-Stress Testing","New Technology","Birth Defects","Fetal Research","2026-03-02",{"date":84,"type":32},"2026-03-04",{"date":86,"type":32},"2018-07-01",{"date":88,"type":21},"2028-11-30",{"name":90,"class":39},"Medical College of Wisconsin"]