( ( ESTROGEN Estrogen ) ( ( ( ( ( ( ( regulates ( the ( menstrual cycle ) ) ) , ) ( promotes ( cell division ) ) ) , ) and ) ( ( causes ( secondary ( female characteristics ) ) ) ( during puberty ) ) ) . ) )
(ROOT (S (NP (NNP ESTROGEN) (NNP Estrogen)) (VP (VP (VBZ regulates) (NP (DT the) (JJ menstrual) (NN cycle))) (, ,) (VP (VBZ promotes) (NP (NN cell) (NN division))) (, ,) (CC and) (VP (VBZ causes) (NP (JJ secondary) (JJ female) (NNS characteristics)) (PP (IN during) (NP (NN puberty))))) (. .)))
ESTROGEN Estrogen regulates the menstrual cycle, promotes cell division, and causes secondary female characteristics during puberty.
(ROOT (S (NP (NNP Estrogen)) (VP (VBZ causes) (NP (NP (DT the) (NNS changes)) (PP (IN of) (NP (NN puberty))))) (. .)))