( It ( ( is ( ( ( the ( major ( female ( reproductive hormone ) ) ) ) ( during ( the ( latter ( two weeks ) ) ) ) ) ( of ( the ( menstrual cycle ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (NP (NP (DT the) (JJ major) (JJ female) (JJ reproductive) (NN hormone)) (PP (IN during) (NP (DT the) (JJ latter) (CD two) (NNS weeks))) (PP (IN of) (NP (DT the) (JJ menstrual) (NN cycle))))) (. .)))
It is the major female reproductive hormone during the latter two weeks of the menstrual cycle.
(ROOT (S (NP (JJ Menstrual) (NN cycle)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN for) (NP (NP (DT a) (NN series)) (PP (IN of) (NP (NP (NNS changes)) (PP (IN in) (NP (NP (DT the) (JJ reproductive) (NN system)) (PP (IN of) (NP (JJ mature) (NNS females))))))))) (SBAR (WHNP (WDT that)) (S (VP (VBZ repeats) (NP (NP (DT every) (NN month)) (PP (IN on) (NP (NN average))))))))) (. .)))