( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( Multiparity ( -LRB- ( ( ( > 5 ) babies ) -RRB- ) ) ) , ) ( ( ( previous ( postpartum hemorrhage ) ) , ) ( ( manual removal ) ( of ( the placenta ) ) ) ) ) , ) ( placental ( abruption ( or ( placenta previa ) ) ) ) ) , ) polyhydramnios ) , ) ( prolonged labor ) ) , ) ( precipitant labor ) ) , ) ( ( difficult forceps ) delivery ) ) , ) ( prolonged ( oxytocin administration ) ) ) , ) ( ( breech extraction ) . ) )
(ROOT (S (NP (NP (NNP Multiparity)) (PRN (-LRB- -LRB-) (NP (QP (CD >) (CD 5)) (NNS babies)) (-RRB- -RRB-)) (, ,) (NP (NP (JJ previous) (NN postpartum) (NN hemorrhage)) (, ,) (NP (NP (JJ manual) (NN removal)) (PP (IN of) (NP (DT the) (NN placenta))))) (, ,) (NP (JJ placental) (NN abruption) (CC or) (NN placenta) (NN previa)) (, ,) (NP (NNS polyhydramnios)) (, ,) (NP (JJ prolonged) (NN labor)) (, ,) (NP (JJ precipitant) (NN labor)) (, ,) (NP (NP (JJ difficult) (NNS forceps)) (NP (NN delivery))) (, ,) (NP (JJ prolonged) (NN oxytocin) (NN administration)) (, ,)) (VP (VBP breech) (NP (NN extraction))) (. .)))
Multiparity (&gt;5 babies), previous postpartum hemorrhage, manual removal of the placenta, placental abruption or placenta previa, polyhydramnios, prolonged labor, precipitant labor, difficult forceps delivery, prolonged oxytocin administration, breech extraction.
(ROOT (S (S (NP (DT The) (NN postpartum) (NN period)) (VP (VBZ starts) (SBAR (IN after) (S (NP (DT the) (NN baby)) (VP (VBZ is) (VP (VBN born))))))) (, ,) (CC and) (S (NP (DT the) (NN placenta)) (VP (VBZ is) (VP (VBN expelled) (PP (IN from) (NP (DT the) (NN body)))))) (. .)))