Reviews prenatal and postnatal methods of gestational age estimation and evaluates implementation of this information in research. Recommendations concerning the assignment of gestational age in the perinatal period and the use of age correction for preterm infants are offered. (Author/BC)

Some of the principal research advances of the 1970s related to pregnancy and newborn infants and consequent changes in obstetrical practice are summarized in this report. The process of infant-parent attachment (bonding), adolescent pregnancy, and the reproductive hazards of tobacco, alcohol, and poor nutrition have been investigated and, in…

The first of eight articles discusses the current state of the sensitive but unclassified information controversy. A series of six articles then explores the use of integrated information systems in the area of health services. Current trends in document management are provided in the last article. (CLB)