“…In these two cases the amniotic bands were released successfully under ultrasound guidance 6 . Postoperative subchorionic bleeding and membrane separation, with amniotic fluid loss within the first 24 hours after surgery, seem to be directly related to this procedure 5,18 . PPROM has been reported to occur more frequently (57%) in cases of ABS than in those involving fetal endoscopic tracheal occlusion (FETO) or laser therapy for twin-twin transfusion syndrome in which membrane rupture occurs in 35% and 21% of cases, respectively 19,20 .…”