Harefuah
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: Minimally invasive fetal therapeutic procedures reduce the morbidity and mortality in monochorionic (MC) twins and in fetuses with congenital diaphragmatic hernia (CDH). MC pregnancies share their blood systems due to communicating vessels over their single placenta and may develop specific complications: Twin-to-Twin transfusion syndrome (TTTS), Selective intrauterine growth restriction (sIUGR), Twin Anemia-Polycythemia Sequence (TAPS), Twin Reverse Arterial Perfusion Syndrome (TRAP) or anomalies in one. Half of complicated MC require intrauterine interventions. Severe CDH is linked to a high rate of neonatal death due to pulmonary hypoplasia. Fetoscopic tracheal occlusion (FETO) with a balloon improves postnatal outcome. ⋯ In-utero procedures are safe for the mother and increase newborn survival in MC pregnancies, thus specialized clinics are life-saving. FETO is a therapeutic option for severe CDH. Our results meet similar achievements reported by other leading world centers.