Presented with spontaneous onset of labor and progressed to spontaneous vaginal delivery without anesthesia.
 the delivery was via C section
(ROOT (S (VP (VP (VBN Presented) (PP (IN with) (NP (NP (JJ spontaneous) (NN onset)) (PP (IN of) (NP (NN labor)))))) (CC and) (VP (VBD progressed) (PP (TO to) (NP (JJ spontaneous) (JJ vaginal) (NN delivery))) (PP (IN without) (NP (NN anesthesia))))) (. .)))
(ROOT (S (NP (DT the) (NN delivery)) (VP (VBD was) (PP (IN via) (NP (NN C) (NN section))))))
( ( ( ( Presented ( with ( ( spontaneous onset ) ( of labor ) ) ) ) and ) ( ( progressed ( to ( spontaneous ( vaginal delivery ) ) ) ) ( without anesthesia ) ) ) . )
( ( the delivery ) ( was ( via ( C section ) ) ) )