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The effect of caffeine on spermatozoal ability to penetrate zona-free hamster ova was examined on fresh and frozen-thawed semen samples. The mean motility of 10 fresh semen samples incubated with caffeine significantly increased from 29% to 35%. Sperm penetration into zona-free hamster ova did not differ between the control group and the specimens to which caffeine was added. The same effect of caffeine on sperm motility and hamster ova penetration was noted in the frozen-thawed sperm samples. Motility was enhanced by 21%, but hamster ova penetration did not significantly change. The increase in sperm motility caused by caffeine does not change the fertilizing ability of fresh and frozen-thawed human sperm.
E J Margalioth, and
J Y May, and
D Navot, and
N Laufer, and
J Ovadia, and
J G Schenker
February 1983,
American journal of obstetrics and gynecology,
E J Margalioth, and
J Y May, and
D Navot, and
N Laufer, and
J Ovadia, and
J G Schenker
August 1979,
Fertility and sterility,
E J Margalioth, and
J Y May, and
D Navot, and
N Laufer, and
J Ovadia, and
J G Schenker
March 1983,
Fertility and sterility,
E J Margalioth, and
J Y May, and
D Navot, and
N Laufer, and
J Ovadia, and
J G Schenker
April 1984,
Fertility and sterility,
E J Margalioth, and
J Y May, and
D Navot, and
N Laufer, and
J Ovadia, and
J G Schenker
April 1982,
Fertility and sterility,
E J Margalioth, and
J Y May, and
D Navot, and
N Laufer, and
J Ovadia, and
J G Schenker
April 1981,
Fertility and sterility,
E J Margalioth, and
J Y May, and
D Navot, and
N Laufer, and
J Ovadia, and
J G Schenker
January 1986,
Archives of andrology,
E J Margalioth, and
J Y May, and
D Navot, and
N Laufer, and
J Ovadia, and
J G Schenker
January 1988,
Gamete research,
E J Margalioth, and
J Y May, and
D Navot, and
N Laufer, and
J Ovadia, and
J G Schenker
January 1981,
Theriogenology,
E J Margalioth, and
J Y May, and
D Navot, and
N Laufer, and
J Ovadia, and
J G Schenker
January 1990,
Archives of andrology,
