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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. As a contraceptive, spermicide may be used alone.
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.
It is widely taught that additional spermicide must be placed in the vagina if intercourse occurs more than six hours after insertion. [10] [13] However, there has been very little research on how long spermicide remains active within the diaphragm. One study found that spermicidal jelly and creme used in a diaphragm retained its full ...
Nonoxynol-9 and other kinds of spermicide would be less potent after an expiration date, which could lead to unwanted pregnancy. Lube also has some unusual uses outside the bedroom
A contraceptive implant is an implantable medical device used for the purpose of birth control.The implant may depend on the timed release of hormones to hinder ovulation or sperm development, the ability of copper to act as a natural spermicide within the uterus, or it may work using a non-hormonal, physical blocking mechanism.
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 ...
Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1] [2] Birth control has been used since ancient times, but effective and safe methods of birth control only became available in the 20th century. [3]
Nonoxynol-9, a spermicide, is ineffective as a topical microbicide in preventing HIV infection. Although nonoxynol-9 has been shown to increase the risk of HIV infection when used frequently by women at high risk of infection, it remains a contraceptive option for women at low risk.