FROM REPORTS AND DATA THAT WERE AVAILABLE TO THE UNITED STATES CHILDREN'S BUREAU THROUGH 1962, A REVIEW WAS MADE OF RESEARCH AND DEMONSTRATIONS THAT RELATED TO AVAILABILITY AND USE OF HEALTH SERVICES BY UNMARRIED MOTHERS. INCLUDED ARE COMPLICATIONS OF PREGNANCY IN BIRTHS OUT OF WEDLOCK--(1) STUDIES OF PRENATAL MEDICAL CARE FOR UNMARRIED MOTHERS, AND (2) MARITAL STATUS AND COMPLICATIONS OF PREGNANCY. MATERIAL ON THE AVAILABILITY, USE, AND QUALITY OF MEDICAL SERVICES COVERS (1) CHARACTERISTICS ASSOCIATED WITH EARLY AND REGULAR PRENATAL CARE, (2) DETERRENTS TO EARLY AND REGULAR PRENATAL CARE, (3) QUALITY OF PRENATAL CARE, (4) CORRELATIONS AND CAUSES. EFFORTS TO EXTEND AND COORDINATE MEDICAL AND SOCIAL SERVICES ARE DISCUSSED, INCLUDING (1) SOCIAL SERVICES IN HOSPITALS AND CLINICS, (2) COMMUNITY PROGRAMS, (3) GAINS ASCRIBED TO COORDINATION OF SERVICES, AND (4) SOME QUESTIONS OF CAUSE AND EFFECT. THE SURVEY CONCLUDES WITH 12 RECOMMENDATIONS FOR IMPROVED SERVICES AND A 52-ITEM BIBLIOGRAPHY. THIS DOCUMENT IS AVAILABLE FROM THE SUPERINTENDENT OF DOCUMENTS, U.S. GOVERNMENT PRINTING OFFICE, WASHINGTON, D.C. 20402, FOR $0.25. (DF)