Anal intercourse is sometimes used as a substitute for vaginal intercourse during menstruation.[5] The likelihood of pregnancy occurring during anal sex is greatly reduced, as anal sex alone cannot lead to pregnancy unless sperm is somehow transported to the vaginal opening. Because of this, some couples practice anal intercourse as a form of contraception, often in the absence of a condom.[5][38][44]
Intra-rectal pressure builds as the rectum fills with feces, pushing the feces against the walls of the anal canal. Contractions of abdominal and pelvic floor muscles can create intra-abdominal pressure which further increases intra-rectal pressure. The internal anal sphincter (an involuntary muscle) responds to the pressure by relaxing, thus allowing the feces to enter the canal. The rectum shortens as feces are pushed into the anal canal and peristaltic waves push the feces out of the rectum. Relaxation of the internal and external anal sphincters allows the feces to exit from the anus, finally, as the levator ani muscles pull the anus up over the exiting feces.
Anal sex has never been a pleasant thought to me…till last night my boyfriend and I decided to try it out. We had a few drinks together and had sex the usual entry whilst that, we were having so much fun that I insisted we try anal and of course like any other guy wouldn’t disagree, we did. WOW! It was amazing! I had 3 orgasms consecutively! Something i have never done before! What better way to enjoy your sex.

The anus was designed to hold in feces. The anus is surrounded with a ring-like muscle, called the anal sphincter, which tightens after we defecate. When the muscle is tight, anal penetration can be painful and difficult. Repetitive anal sex may lead to weakening of the anal sphincter, making it difficult to hold in feces until you can get to the toilet. However, Kegel exercises to strengthen the sphincter may help prevent this problem or correct it.


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Using protection during anal sex is important to reduce your risk of catching an STI. For penetrative sex, make sure you use a condom and lots of lube – some people feel safer using extra-thick condoms for anal sex. Dental dams also offer good protection for rimming. Taking pre-exposure prophylaxis (PrEP) is another way to prevent HIV infection, but it may not be available everywhere.
Most of the risk with oral sex is associated with the possibility of contracting or spreading STDs. Almost all STDs can be spread through oral sex, like HIV, the virus that causes AIDS. Herpes (mostly HSV-1), gonorrhea, and chlamydia can all infect the mouth, lips, or throat. If you have herpes type 1 (cold sores) and perform oral sex, you may transmit it to your partner which could cause genital herpes to develop.
10. Start small. The whole point of anal play is to keep it simple before working your way up. "To prepare a bottom for sex play, start with fingers, tongue, or a very small sex toy designed for butt play," says clinical sexologist Nancy Sutton Pierce. "An option is to purchase a butt plug kit that uses several plugs of graduating sizes just for this training."
Yep — pregnancy. In order for someone to become pregnant, sperm needs to make it into the vagina (and then through the cervix and into the uterus, etc.), and that could be possible (though unlikely) depending on what position you’re in, she explains. So ejaculating in someone’s butt probably isn’t the best idea if you're not also using another form of birth control.
A fungus, like the one that causes most vaginal yeast infections, can also cause anal itching. And certain kinds of bacteria can, too. For example, a staph skin infection can happen almost anywhere, including the area around your anus. And the same kind of bacteria that causes strep throat can trigger a red, itchy rash around the anus. This is more common in kids than adults.

Anal cancer forms when a genetic mutation turns normal, healthy cells into abnormal cells. Healthy cells grow and multiply at a set rate, eventually dying at a set time. Abnormal cells grow and multiply out of control, and they don't die. The accumulating abnormal cells form a mass (tumor). Cancer cells invade nearby tissues and can separate from an initial tumor to spread elsewhere in the body (metastasize).


The information presented on The American Society of Colon and Rectal Surgeons (ASCRS) website is solely intended to provide you with information that will help educate you on various conditions. No information provided on this website or otherwise offered by ASCRS is intended to replace or in any way modify the advice of your health care professional.
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There are a variety of factors that make male-to-female anal intercourse riskier than vaginal intercourse for women, including the risk of HIV transmission being higher for anal intercourse than for vaginal intercourse.[3][84][85] The risk of injury to the woman during anal intercourse is also significantly higher than the risk of injury to her during vaginal intercourse because of the durability of the vaginal tissues compared to the anal tissues.[3][86][87] Additionally, if a man moves from anal intercourse immediately to vaginal intercourse without a condom or without changing it, infections can arise in the vagina (or urinary tract) due to bacteria present within the anus; these infections can also result from switching between vaginal sex and anal sex by the use of fingers or sex toys.[2][3][88]
Spreading STIs. Infections and diseases that are shared during sexual intercourse — such as HIV, gonorrhea, chlamydia, and herpes — can be shared through anal sex. In fact, anal sex is the sexual behavior for transmitting and getting HIV for both men and women. People on the receiving end (or “the bottom”) of anal sex are more likely to become infected with HIV than the inserting partner (or “the top”).
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