WOMAN'S MEDICAL COLLEGE OF PENNSYLVANIA PHILADELPHIA, PA. 19129 FOUNDED IN 1880 October 22, 1965 Virginia Apgar, M.D. Division of Congenital Malformations The National Foundation 800 Second Avenue New York, N.Y. 10017 Dear Virginia: Hoeber Publishers have asked me to act as guest editor for one of their publications of CLINICAL OBSTETRICS ANI> GYNECOLOGY. As you probably know there are four hard bound volumes of such symposia per year. Enclosed is a copy of the proposed format of a symposium on Human Teratogenesis which I have outlined, Would you be willing to put some of your pearls in print for obstet- ricians and gynecologists who use these volumes extensively, The length of the article would be about 10 printed pages. I probably do not have to tell you how honored I would be to have you contribute to this particular issue on this particular subject. The deadline for getting the manuscript to me would be about March 15. I will be looking forward to hearing from you soon and hopefully, favorably. Best personal regards, Sincerely, Elsie R, Carrington, M.D. ERC:med Symposium on Hwnan Teratogenesis Forward. Changing Perspectives of Human Teratogenesis Elsie R. Carrington, M,D. Professor, Obstetrics and Gynecology Woman's Medical College of Penn- sylvania Mechanisms of Abnormal Fetal Development Peter Gruenwald, M.D. As si s tant Prof e ssor of Pathology Johns Hopkins and Sinai Hospital Baltimore, Md. Incidence and Recurrence Rates of Congenital Anomalies Harold Schulman, MOD. Assistant Professor, Obstetrics and Gynecology, Albert Einstein College 'of Medicine, New York Inborn Errors of Metabolism Angel0 M. DiGeorge, MOD. Associate Professor of Pediatrics Temple University Medical Center Chief, Endocrinologic and Metabolic Division, St. Christopher's Hospital for Children Chromosomal Abnormalities ---The Drug Problem in Pregnmcy- Thomas 14. Clendenin, M,D. Assistant Professor of Pathology Woman's Medical College of Penn- sylvania Virginia Apgar, MID. Director, Division of Congenital Mal- formations of the National Foundation New York City Fetal Risk Associated with Maternal Systemic Infections rl Ralph E, Moloshok, M.D. Associate Professor of Clinical Pediatrics Columbia University -2- Genetic Ef'fects of Radiation Paul A. Bishop, MID. Professor of Radiology School of Medicine and Graduate School of Medicine of the University of Pennsylvania Genetic Counselling Fb Clarke Fraser, M.D., Ph.D. Department of Genetics, McGill Uni- versity and Montreal Children's Hospital. Montreal, Canada Prevention of Congenital Anomalies Elsie €3. Carrington, M.D. Professor, Obstetrics and Gynecology Woman's Medical College of Penn- s ylvani a