This study was conducted to compare the effectiveness of a new, single-size silicone contraceptive diaphragm used with either spermicide [2% nonoxynol-9 (N-9)] or lubricant in preventing sperm from penetrating midcycle cervical mucus.
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.,
Randomized Controlled Trial,
Multicenter Study,
Clinical Trial, Phase I,
Research Support, N.I.H., Extramural