2Nd World Congress of Perinatal Medicine, Date: SEP 19-24, 1993, Location: ROME, ITALY, Sponsors: CNR, UNIV LA SAPIENZA ROMW, ITALIAN MINIST UNIV SCI & TECHNOL RES, ITALIAN MINIST HLTH, WHO, INT FEDERAT OBSTET & GYNECOL, INT CONFEDERAT MIDWIVES, MOTHER & CHILD INT, MARCH DIMES DEFECTS FDN, INT FDN FRATEBENEFRATELLI, ROME, EUROPEAN COMMUNITY CONCERTED ACT PROJECTS, LAZIO DIST HLTH AUTHORITY