When a pregnant woman is knowingly causing harm to her unborn child, there are various legal interventions that can be taken to protect the rights if the fetus.
Physicians are obligated in many jurisdictions to perform life-sustaining treatments on premature infants with serious developmental or physical impairments, even if it goes against the parents' wishes.
Although parents may someday have the ability to enhance the complex physical and mental traits of their offspring, such genetic enhancements raise a number of difficult ethical questions.