( ( ( ( Estrogen , ) ( in turn ) ) , ) ( ( promotes ( ( growth and ) ( ( other ( physical changes ) ) ( of puberty ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Estrogen)) (, ,) (PP (IN in) (NP (NN turn))) (, ,)) (VP (VBZ promotes) (NP (NP (NN growth)) (CC and) (NP (NP (JJ other) (JJ physical) (NNS changes)) (PP (IN of) (NP (NN puberty)))))) (. .)))
Estrogen, in turn, promotes growth and other physical changes of puberty.
(ROOT (S (NP (NNP Estrogen)) (VP (VBZ causes) (NP (NP (DT the) (NNS changes)) (PP (IN of) (NP (NN puberty))))) (. .)))