IVF dichorionic, diamniotic twin gestation reduced from     triplets.
 The twins shared a placenta
(ROOT (NP (NP (NP (NN IVF) (NNS dichorionic)) (, ,) (NP (NP (JJ diamniotic) (NN twin) (NN gestation)) (VP (VBN reduced) (PP (IN from) (NP (NNS triplets)))))) (. .)))
(ROOT (S (NP (DT The) (NNS twins)) (VP (VBD shared) (NP (DT a) (NN placenta)))))
( ( ( ( IVF dichorionic ) , ) ( ( diamniotic ( twin gestation ) ) ( reduced ( from triplets ) ) ) ) . )
( ( The twins ) ( shared ( a placenta ) ) )