Presented with spontaneous onset of labor and progressed to spontaneous vaginal delivery without anesthesia.
 the pregnancy full term
(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 (NP (NP (DT the) (NN pregnancy)) (NP (JJ full) (NN term))))
( ( ( ( Presented ( with ( ( spontaneous onset ) ( of labor ) ) ) ) and ) ( ( progressed ( to ( spontaneous ( vaginal delivery ) ) ) ) ( without anesthesia ) ) ) . )
( ( the pregnancy ) ( full term ) )