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Spermicide is a contraceptive substance that destroys sperm, inserted vaginally prior to intercourse to prevent pregnancy. As a contraceptive, spermicide may be used alone. However, the pregnancy rate experienced by couples using only spermicide is higher than that of couples using other methods.
Nonoxynol-9 is a common ingredient of most vaginal and anal lubricants due to its spermicidal properties. A 2004 study found that over a six-month period, the typical-use failure rates for five nonoxynol-9 vaginal contraceptives (film, suppository, and gels at three different concentrations) ranged from 10% to 20%.
Spermicide – a contraceptive agent to render sperm inert and prevent fertilization of an egg. Teniacide (also taeniacide, tenicide) – a chemical agent that kills tape worms. Theriocide – the act of killing an animal by a human (Ancient Greek: therion "wild animal, beast"). Vermicide – an agent used to kill parasitic intestinal worms.
Science & Tech. Sports. Weather. ... Chemicals found in condoms, spermicide, vaginal lubricants, and moisturizers can irritate the sensitive skin of the vagina and cause burning.
Outlined here are the different types of barrier methods, hormonal methods, various methods including spermicides, emergency contraceptives, and surgical methods [1] and a comparison between them. While many methods may prevent conception, only male and female condoms are effective in preventing sexually transmitted infections .
Science & Tech. Sports. Weather. 24/7 Help. For premium support please call: ... It’s important to note that some lubes contain spermicide, which is intended as a defense against pregnancy ...
Male contraceptives, also known as male birth control, are methods of preventing pregnancy by interrupting the function of sperm. [1] The main forms of male contraception available today are condoms, vasectomy, and withdrawal, which together represented 20% of global contraceptive use in 2019.
Specifically, copper acts as a spermicide within the uterus by increasing levels of copper ions, prostaglandins, and white blood cells within the uterine and tubal fluids. [ 12 ] [ 35 ] The increased copper ions in the cervical mucus inhibit the sperm's motility and viability, preventing sperm from traveling through the cervical mucus, or ...