( ( ( A ( woman 's ) ) egg ) ( ( ( leaves ( ( the ovary ) ( -LRB- ( ovulation -RRB- ) ) ) ) ( ( approximately ( two weeks ) ) ( ( before ( ( the beginning ) ( of ( the ( next ( menstrual cycle ) ) ) ) ) ) ( -LRB- ( ( ( NOT ( two weeks ) ) ( after ( the ( current one ) ) ) ) -RRB- ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN woman) (POS 's)) (NN egg)) (VP (VBZ leaves) (NP (NP (DT the) (NN ovary)) (PRN (-LRB- -LRB-) (NP (NN ovulation)) (-RRB- -RRB-))) (PP (NP (RB approximately) (CD two) (NNS weeks)) (PP (IN before) (NP (NP (DT the) (NN beginning)) (PP (IN of) (NP (DT the) (JJ next) (JJ menstrual) (NN cycle))))) (PRN (-LRB- -LRB-) (NP (NP (NNP NOT)) (NP (CD two) (NNS weeks))) (PP (IN after) (NP (DT the) (JJ current) (NN one))) (-RRB- -RRB-)))) (. .)))
A woman's egg leaves the ovary ( ovulation ) approximately two weeks before the beginning of the next menstrual cycle (NOT two weeks after the current one).
(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)))))) (. .)))