Final answer:
A genetic counselor can help prospective parents assess their risk of bearing children with genetic or chromosomal defects by interpreting family history, providing information on testing options, and offering support and guidance in making reproductive choices.
Step-by-step explanation:
A genetic counselor can help prospective parents assess their risk of bearing children with genetic or chromosomal defects. Genetic counselors can interpret a couple's family history, provide information on available testing options such as DNA tests, amniocentesis, and chorionic villus sampling, and help couples cope with the news of carrying genetic disorders or having a child with chromosomal disorders or birth defects.
Through genetic counseling, prospective parents can make informed decisions about their reproductive choices and understand the risks associated with genetic or chromosomal disorders.