Snipless Vasectomy Shows Early Promise as Long-Term Male Contraceptive
CHICAGO — A no-scalpel vasectomy passed a preliminary clinical test, achieving near-100% azoospermia within 2 weeks and maintaining the status to day 30 in the first men to undergo the procedure. Following injection of an occlusive nonhormonal hydrogel into the vas, sperm concentration decreased by as much as 99.98% by day 14 in the first […]