The purpose of this study is to evaluate the safety and efficacy of Fetoscopic Endoluminal Tracheal Occlusion (FETO) in cases of severe Congenital Diaphragmatic Hernia (CDH).
Pregnant person age 18 years or older
Singleton pregnancy
Normal fetal karyotype with confirmation by culture results, Chromosomal Microarray (CMA) with non-pathological variants, Whole Exome Sequencing (WES) or Whole Genome Sequencing (WGS). Results by florescence in situ hybridization (FISH) will be acceptable if the patient is >26 weeks gestation
Gestational age at enrollment less than 29 weeks 6 days
Patient < 18 years of age
Multi-fetal pregnancy
History of natural rubber latex allergy
Preterm labor, cervix shortened (<20 mm at enrollment or within 24 hours of FETO balloon insertion procedure) or uterine anomaly strongly predisposing to preterm labor or placenta previa