( ( All ( pregnant women ) ) ( ( ( ( should ( be ( screened ( for ( ( ( ( ( ( chlamydia , ) ( bacterial vaginosis ) ) , ) gonorrhea ) and ) syphilis ) ) ) ) ) and ) ( should ( have ( a ( pap smear ) ) ) ) ) . ) )
(ROOT (S (NP (DT All) (JJ pregnant) (NNS women)) (VP (VP (MD should) (VP (VB be) (VP (VBN screened) (PP (IN for) (NP (NP (NN chlamydia)) (, ,) (NP (JJ bacterial) (NNS vaginosis)) (, ,) (NP (NN gonorrhea)) (CC and) (NP (NNS syphilis))))))) (CC and) (VP (MD should) (VP (VB have) (NP (DT a) (NN pap) (NN smear))))) (. .)))
All pregnant women should be screened for chlamydia, bacterial vaginosis, gonorrhea and syphilis and should have a pap smear.
(ROOT (S (NP (NNP Chlamydia) (, ,) (NNP gonorrhea) (, ,) (CC and) (NNP syphilis)) (VP (VBP are) (NP (NP (NNS examples)) (PP (IN of) (NP (JJ bacterial) (NNS stis))))) (. .)))