Place the condom within easy reach before you and your guy get busy so you won't have to send a search party for your prophylactics in the heat of the moment. When you're just about to do the deed, carefully open the condom wrapper and check that the rolled rim is on the outside. Then, place the condom on the head of his penis, leaving a half inch space at the tip to collect semen. Pinch this space between two fingers of one hand to get rid of air bubbles, which can cause breakage, as you roll the rubber all the way down his shaft with your other hand.
This document contains sexually graphic images and may not be suitable for some audiences. Condom Effectiveness. Section Navigation. Minus Related Pages. DO use a female condom from start to finish, every time you have vaginal sex. DO make sure there are no tears or defects. DO use lubricant to help prevent the condom from slipping and tearing.
Condoms are thin pouches that keep sperm from getting into the vagina. There are male condoms and female condoms:. Condoms work by keeping semen the fluid that contains sperm from entering the vagina.
While female condoms internal condoms were originally designed for use in vaginal intercourse, some gay and heterosexual couples have used them for anal sex. There are no research studies on their efficacy in preventing the transmission of HIV and sexually transmitted infections during anal sex, but they form a barrier which should prevent semen and other bodily fluids from passing from one sexual partner to the other. Laboratory studies have demonstrated that the device is impermeable to HIV and other viruses.