Laser CoagulationFetoscopyFetofetal TransfusionFetoscopesArteriovenous AnastomosisBlood CoagulationLasersPregnancy, MultipleDisseminated Intravascular CoagulationArteriovenous FistulaGestational AgePregnancy OutcomePlacentaUltrasonography, PrenatalBlood Coagulation TestsBlood Coagulation DisordersPregnancyBlood Coagulation FactorsLasers, Solid-StateProspective StudiesThromboplastinLaser Therapy, Low-LevelProthrombin TimePartial Thromboplastin TimeFactor VIIFibrinolysisArgon Plasma CoagulationThrombelastographyFactor XaWhole Blood Coagulation TimeProthrombinFactor XLasers, ExcimerHemostasisCoagulation Protein DisordersFactor VIIaThrombinAntithrombin IIIFibrinogenFibrin Fibrinogen Degradation ProductsFactor IXFactor VIIIProtein CFactor XIIIFactor VFibrinElectrocoagulationBlood Coagulation Disorders, InheritedBlood Coagulation Factor InhibitorsLasers, DyeLaser Scanning CytometryLight CoagulationThrombin Time