( Pregnancy ( ( is ( most ( likely ( to ( ( occur ( ( at or ) around ) ) ( ( the time ) ( ( the egg ) ( is ( ( ( released ( from ( ( the ovary ) ( -LRB- ( ovulation -RRB- ) ) ) ) ) , ) ( ( about midway ) ( in ( ( the ( woman 's ) ) ( menstrual cycle ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Pregnancy)) (VP (VBZ is) (ADJP (RBS most) (JJ likely) (S (VP (TO to) (VP (VB occur) (ADVP (IN at) (CC or) (IN around)) (NP (NP (DT the) (NN time)) (SBAR (S (NP (DT the) (NN egg)) (VP (VBZ is) (VP (VBN released) (PP (IN from) (NP (NP (DT the) (NN ovary)) (PRN (-LRB- -LRB-) (NP (NN ovulation)) (-RRB- -RRB-)))) (, ,) (ADVP (IN about) (NN midway) (PP (IN in) (NP (NP (DT the) (NN woman) (POS 's)) (JJ menstrual) (NN cycle)))))))))))))) (. .)))
Pregnancy is most likely to occur at or around the time the egg is released from the ovary (ovulation), about midway in the woman's 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)))))) (. .)))