DR. NAKAJIMA is a Reproductive Endocrinologist and Professor and Director, Division of Reproductive Endocrinology and Infertility, Dept. of Obstetrics, Gynecology and Women's Health, University of Louisville School of Medicine, Louisville, KY.
If choosing gender is okay before fertilization, why shouldn't it be with PGD after fertilization, is the thrust of the "pro" argument. The other side calls PGD gender discrimination.