Spermicidal activity of undiluted commercial contraceptive preparations, 1953.

  • Collin Gamble
  • Published 1955 in Journal of the American Medical Association


Laboratory tests designed to measure the spermicidal effectiveness of contraceptive jellies and creams after dilution and mixing were carried out. 87 materials were tested. The number of minutes during which motion of the sperm continued in a column of human semen 2 mm in diameter and 5 mm long in contact with a contraceptive material was computed. The… (More)


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