St johns wort sperm

Many women trying to become pregnant are careful to avoid ingesting any substance that might impair their fertility or damage a developing embryo. According to a new study, several popular herbal remedies should be added to the list of substances that could have detrimental effects on men as well as women and could interfere with conception or a healthy pregnancy. Despite the widespread belief, often fostered by advertising copy, that herbal preparations are ''natural'' and ''drug-free,'' those that have druglike effects in the body do in fact contain potent chemicals that act like drugs. And, like many prescription and over-the-counter drugs that are known to be unsafe before or during pregnancy, some herbal remedies may also be expected to interfere with normal reproductive function. Their findings were published in the current issue of Fertility and Sterility, the journal of the American Society for Reproductive Medicine. Three of the herbs, St.
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Inhibition of human sperm motility by specific herbs used in alternative medicine

Hypericum perforatum hiperico is a plant that has been used to treat diseases and also inhibits rat and human vas deferens contractility. In nuclear medicine, stannous chloride SnCl2 is used as a reducing agent to obtain radiopharmaceuticals labeling with technetiumm. As the SnCl2 seems to have adverse effects related with the reproductive performance of male rabbits as well as the human consumption of hiperico might affect sexual function. In the present work, consistent results show significant changes on the blood constituents labeled by technetiumm obtained from young rats under the effect of an hiperico extract as opposed to blood samples equally treated taken from elderly rat.. Supposedly, this extract could protect the male reproductive system against action of SnCl2 at least in young rats.
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Herbal Remedies Tied to Pregnancy Risks

Purpose: Our purpose was to analyze sperm motility parameters in the presence of herbs. Methods: Washed sperm were incubated in either saw-palmetto Serenoa repens, Permixon Sabal serrulatum , echinacea purpura, ginkgo biloba, St. John's wort Hypericum perforatum , or control medium.
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Source: Ondrizek RR, et al. An alternative medicine study of herbal effects on the penetration of zona-free hamster oocytes and the integrity of sperm deoxyribonucleic acid. Fertil Steril ; The second part of the study tested the effect on the integrity of sperm incubated for seven days with the same herbs.
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