Many over-the-counter contraceptives contain a spermicide known as nonoxynol When Lisa Rentz decided she'd had enough of birth control pills, she walked into her local drug store and picked up something different: a vaginal contraceptive film that contains the spermicide nonoxynol-9, or N She admits that she didn't read the instructions all that closely but simply assumed any over-the-counter product was safe.
Spermicide is a contraceptive substance that immobilizes or kills sperm before they enter the uterus. This single-use applicator contains a spermicide gel. Spermicide can be used alone or with a barrier method — such as a condom, diaphragm or cervical cap — to prevent pregnancy.
You are standing in the grocery store staring at the overwhelming selection of condoms. The last time you had sex there was an unfortunate incident involving breakage and you are eager to avoid the pregnancy panic and STD scare that ensued. You look at the condoms with spermicide thinking that extra-protection sounds like a good idea right now.
PIP: The topic of this paper is the demonstration of the combined effectiveness of condom and spermicide use. It is reasoned that 2 methods, which separately provide only moderate efficacy, act together independently and the probability of both failing is the product of the 2 probabilities of failure. Under perfect use, where there is correct use for every act of intercourse, the assumption of independence is very likely, and efficacy would be a high as steroidal implants.
Nicki Wolf has been writing health and human interest articles since Her work has been published at various cooking and nutrition websites. Condom use for pregnancy prevention and to reduce the risk of sexually transmitted diseases dates back to ancient times.
The male condom is a sheath or covering worn over the penis during sexual activity. Condoms also lessen the chances of getting a sexually transmitted infection STI by acting as a barrier, preventing organisms that carry STIs to pass from one partner to another. Using condoms also allows guys to have an active part in preventing pregnancy.
Condoms are a form of barrier birth control, and they come in many varieties. Some condoms come coated with spermicide, which is a type of chemical. The spermicide most often used on condoms is nonoxynol When used perfectly, condoms can protect against pregnancy 98 percent of the time.
Talking with your partner about contraception can make both of you feel more comfortable and perhaps more willing to use it regularly. Remember that proper and regular use of contraception can take away some of the worries that might trouble your relationship, such as concerns about pregnancy and sexually transmitted infections STIs. If you are sexually active in any manner or with any frequencyyou should know that you are at some risk.
Back to Your contraception guide. Condoms are the only type of contraception that can both prevent pregnancy and protect against sexually transmitted infections STIs. There are two types of condoms: male condoms, worn on the penis; and female condoms, worn inside the vagina. Male condoms are made from very thin latex rubberpolyisoprene or polyurethane and are designed to stop a man's semen from coming into contact with his sexual partner.