( ( ( ( Ovulation , ) ( when ( ( one ( or ( more eggs ) ) ) ( is ( released ( from ( the ovary ) ) ) ) ) ) ) , ) ( ( is ( considered ( ( the ( fertile part ) ) ( of ( your ( menstrual cycle ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Ovulation)) (, ,) (SBAR (WHADVP (WRB when)) (S (NP (CD one) (CC or) (JJR more) (NNS eggs)) (VP (VBZ is) (VP (VBN released) (PP (IN from) (NP (DT the) (NN ovary))))))) (, ,)) (VP (VBZ is) (VP (VBN considered) (NP (NP (DT the) (ADJP (JJ fertile)) (NN part)) (PP (IN of) (NP (PRP$ your) (JJ menstrual) (NN cycle)))))) (. .)))
Ovulation, when one or more eggs is released from the ovary, is considered the fertile part of your menstrual cycle .
(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)))))) (. .)))