( ( If ( they ( were ( to ( have ( ( a child ) ( with ( ( a person ) ( who ( ( was also ) ( a carrier ) ) ) ) ) ) ) ) ) ) ) ( , ( ( then ( genetic counseling ) ) ( ( could ( help ( them ( understand ( ( the risk ) ( of ( ( having ( a child ) ) ( affected ( with ( a ( genetic disease ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP they)) (VP (VBD were) (S (VP (TO to) (VP (VB have) (NP (NP (DT a) (NN child)) (PP (IN with) (NP (NP (DT a) (NN person)) (SBAR (WHNP (WP who)) (S (VP (VBD was) (ADVP (RB also)) (NP (DT a) (NN carrier)))))))))))))) (, ,) (NP (RB then) (JJ genetic) (NN counseling)) (VP (MD could) (VP (VB help) (S (NP (PRP them)) (VP (VB understand) (NP (NP (DT the) (NN risk)) (PP (IN of) (S (VP (VBG having) (NP (DT a) (NN child)) (VP (VBN affected) (PP (IN with) (NP (DT a) (JJ genetic) (NN disease)))))))))))) (. .)))
If they were to have a child with a person who was also a carrier, then genetic counseling could help them understand the risk of having a child affected with a genetic disease.
(ROOT (S (NP (NP (NNS Professionals)) (VP (VBN known) (PP (IN as) (NP (JJ genetic) (NNS counselors))))) (VP (MD can) (VP (VB help) (S (NP (PRP them)) (VP (VB understand) (NP (NP (DT the) (NNS risks)) (PP (IN of) (NP (NP (NNS children)) (VP (VBG being) (VP (VBN affected)))))))))) (. .)))