Physicians who specialize in assisted reproductive technology should advise parents-to-be of the health and psychosocial risks of preimplantation sex selection for nonmedical reasons.
Physicians who treat children with Down's syndrome should ensure that their parents fully understand the children's capabilities and long-term prognosis and counsel them on the appropriate actions to take regarding their children's care.
Presymptomatic genetic testing for neurodegenerative diseases can help patients make effective treatment decisions, but the medical profession needs to ensure that the increasing use of the tests is done responsibly.