Ethical issues in caring for tiny infants.

In the early years of perinatal medicine and heroic programs of saving premature infants, we have witnessed "halfway" technology practiced in an environment of morally simplistic ethics, law, and policy. These practices have led to troubling outcomes. The lessons learned during this difficult phase of perinatal health care now yield to a period characterized by more advanced research, more appropriately applied technology, more sensitive and sensible public policy, and more responsible ethics.