Male Contraception in Korea

The contraception practice rate in Korea has steadily increased from 9% in 1964 to 72% in 1987. Accordingly natural increase rate of population declined from 28.4/1000 in 1964 to 12.4/1000 in 1987. Notably in recent years the acceptance of surgical contraception services has sharply increased in this country. Now the author analyzes various factors influencing successful vasectomy based on his experience in performing over 8000 vasectomies and 1000 vasovasostomies during the past 25 years. These various factors consist of preoperative screening interview surgical vasectomy technique vas irrigation technique open-ended vasectomy complications from vasectomy failure of vasectomy sperm granuloma formation spermatogenesis and steroidogenesis after vasectomy immunological consequences after vasectomy prostatic diseases and vasectomy late post-vasectomy syndrome psychological effects after vasectomy and success rates of vasovasostomy. Besides the author makes more comments on the results of the clinical trials on new approaches to reversible vas occlusion technique with a new device of Intravasal Thread and to reversible suppression of spermatogenesis with long-acting sex hormones. (authors)