( ( The device ) ( ( ( does nothing ) ( ( ( to ( disrupt ( ( ( ovulation , ) ( the ( menstrual cycle ) ) ) , ) ) ) or ) ( to ( thicken ( the ( cervical mucus ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN device)) (VP (VBZ does) (NP (NN nothing)) (S (VP (VP (TO to) (VP (VB disrupt) (NP (NP (NN ovulation)) (, ,) (NP (DT the) (JJ menstrual) (NN cycle)) (, ,)))) (CC or) (VP (TO to) (VP (VB thicken) (NP (DT the) (JJ cervical) (NNS mucus))))))) (. .)))
The device does nothing to disrupt ovulation, the menstrual cycle, or to thicken the cervical mucus.
(ROOT (S (NP (NNP Ovulation)) (VP (VBZ occurs) (SBAR (IN before) (S (NP (DT the) (NN endometrium)) (VP (VBZ thickens) (PP (IN in) (NP (JJ estrous) (NNS cycles))))))) (. .)))