( ( Every month ) ( , ( ( during ( the ( menstrual cycle ) ) ) ( , ( ( an egg ) ( ( is ( released ( from ( ( one ovary ) ( in ( ( a process ) ( called ovulation ) ) ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (NP (DT Every) (NN month)) (, ,) (PP (IN during) (NP (DT the) (JJ menstrual) (NN cycle))) (, ,) (NP (DT an) (NN egg)) (VP (VBZ is) (VP (VBN released) (PP (IN from) (NP (NP (CD one) (NN ovary)) (PP (IN in) (NP (NP (DT a) (NN process)) (VP (VBN called) (NP (NN ovulation))))))))) (. .)))
Every month, during the menstrual cycle , an egg is released from one ovary in a process called ovulation .
(ROOT (S (NP (NNP Ovulation)) (VP (VP (VBZ takes) (NP (NN place)) (PP (IN in) (NP (DT the) (NN ovary)))) (CC and) (VP (VBZ is) (NP (NP (NN part)) (PP (IN of) (NP (DT the) (JJ menstrual) (NN cycle)))))) (. .)))