Current Problems in Fertility: Based on the IFA Symposium held in Stockholm, Sweden, April 2–4, 1970. Sponsored by Åhlen-stiftelsen, Sven och Dagmar Saléns stiftelse, and Roland Lundborg, M.D.

Insemination in Human and Veterinary Medicine.- Culture of Human Male Germ Cells in Vitro.- Preservation of Human Sperm by Liquid Nitrogen Vapor Freezing.- Motility and Morphology of Human Sperms after Freezing in Liquid Nitrogen.- Some Problems Involved in Freezing and Insemination With Human Sperm.- Oxygen Consumption of Human Spermatozoa and Seminal Plasma.- Extracellular Glutamic-Oxaloacetic Transaminase as a Measure on Membrane Injury in Spermatozoa During Treatment.- The Effect of Tubal Sperm Concentration on the Rate of Development of Swine Ova and Blastocysts.- The Practical Use of DF-Semen on Cattle in Sweden.- A Male Sexual Cycle.- Transplantation in Gynecology.- Transplantation of Gynecological Organs: Ethical Problems.- Medical Aspects on Transplantations in Gynecology.- Immunodepression: I. Principles.- Immunodepression: II. Radiologic and Pharmacologic Treatment.- Immunosuppressive Regimes Directed at the Lymphocyte.- Transplantation of Ovaries.- Significance of Transplantation of the Uterus and the Fallopian Tubes.- Anastomosis of Small Vessels.- Autotransplantation of the Uterine Horns and Ovaries in Female Rabbits.- Homotransplantation of the Uterine Horns in Female Rabbits.- The Use of Blastocysts in Human and Veterinary Medicine.- Discussion on the Use of Blastocysts in Human and Veterinary Medicine.- How Distant is the Clinical Use of Human Blastocysts?.- Laparoscopic Recovery of Pre-Ovulatory Human Oocytes After Priming of the Ovaries with Gonadotrophins.- Scanning Electron Microscopy of Mouse Blastocysts Before and at Implantation.- Recent Advances in Contraception.- Long Acting Polydimethylsiloxane Implants for Contraception.- Sustained Release Hormonal Preparations.- Experience with Norgestrel in Continuous Microdosage.- Influence of Low Doses ofGestagens on Some Pituitary-Ovarian Functions.- On the Way to a More Physiological Hormonal Contraception.- The Pill: On Chromosomes.- Amenorrhea Following Oral Contraceptives.- The Influence of Oral Contraceptives on Carbohydrate and Lipid Metabolism.- Thromboembolism and Oral Contraceptives.- Possible Mechanism of the Anti-Fertility Effect of Copper.- Intra-Uterine Devices, Side-Effects.- Sterility I. Experimental.- Glycogen in Spermatidic Arrest.- Dihydrotestosterone (5 ?-Androstan-17-?-o1-3 one) in the Epididymis of Rats.- FSH-Releasing Activity of Clomiphenecitrat.- Sterility II. Clinical.- Estimation of Thiocyanate Level in Uterus. Preliminary Report.- Lymphocyte Transformation in Wife-Husband Mixed Leucocyte Cultures in Normal and Pathological Pregnancies.- Utero-Abdominal Reflux and Female Sterility. A Clinical Study.- The Experimental Artificial Oviduct.- The Effects of Mesterolone on Patients with Impaired Spermatogenesis and Sexual Disorders.- An Electromyographic Study of the External Urethal Sphincter During Ejaculation on Patients with Ejaculation Trouble Subsequent to Colectomy and Rectum Extirpation due to Colitis Ulcerosa and Crohn’s Disease.