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Journal Article
Research Support, Non-U.S. Gov't
Evaluation of contraceptive activity of a mineralo-herbal preparation in Sprague-Dawley rats.
Contraception 2005 December
OBJECTIVE: This study was aimed to evaluate a marketed mineralo-herbal preparation containing plants known to have potent contraceptive activity, or contraindicated for use during pregnancy in folklore/ancient Indian literature and recommended for use as an appetizer and headache, hyperacidity and chronic constipation reliever for effect on spermatogenesis and implantation-cum-early postimplantation events in adult Sprague-Dawley rats.
METHODS: The preparation, suspended in distilled water with the addition of sterile gum acacia, was administered at 1 g/kg daily dose (extrapolated from human dose on surface area basis) to male rats covering one spermatogenic cycle and to female rats during the entire preimplantation and early postimplantation period by oral route. Fertility performance of male rats was tested following mating with untreated fertile females.
RESULTS: Findings of this study indicate that the mineralo-herbal preparation at this dose and schedule produced no discernible effect on weight of testis, epididymis and accessory glands, spermatogenesis, vasal sperm picture or mating rate in male rats when administered during the period covering one spermatogenic cycle, but caused significant reduction in number of implantations in females mated with these male rats as well as in female rats treated during the postcoital period.
CONCLUSIONS: Any adverse effect on fertility/reproductive health following administration over longer periods/at higher doses in humans habituated to continuous use of this preparation cannot be completely ruled out from this limited study. Findings also suggest caution in indiscriminate use of this and other such preparations containing varying amounts of plants/plant products reported to possess contraceptive property and available for other pharmacological indications over-the-counter in most countries.
METHODS: The preparation, suspended in distilled water with the addition of sterile gum acacia, was administered at 1 g/kg daily dose (extrapolated from human dose on surface area basis) to male rats covering one spermatogenic cycle and to female rats during the entire preimplantation and early postimplantation period by oral route. Fertility performance of male rats was tested following mating with untreated fertile females.
RESULTS: Findings of this study indicate that the mineralo-herbal preparation at this dose and schedule produced no discernible effect on weight of testis, epididymis and accessory glands, spermatogenesis, vasal sperm picture or mating rate in male rats when administered during the period covering one spermatogenic cycle, but caused significant reduction in number of implantations in females mated with these male rats as well as in female rats treated during the postcoital period.
CONCLUSIONS: Any adverse effect on fertility/reproductive health following administration over longer periods/at higher doses in humans habituated to continuous use of this preparation cannot be completely ruled out from this limited study. Findings also suggest caution in indiscriminate use of this and other such preparations containing varying amounts of plants/plant products reported to possess contraceptive property and available for other pharmacological indications over-the-counter in most countries.
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