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Sexual penetration is the insertion of a body part or other object into a body orifice, such as the vagina, anus or mouth, as part of human sexual activity or animal sexual behavior.
The term is most commonly used in statute law in the context of proscribing certain sexual activities. Terms such as "sexual intercourse" or "carnal knowledge" are more commonly found in older statutes, while many modern criminal statutes use the term "sexual penetration" because it is a broad term encompassing (unless otherwise qualified) any form of penetrative sex, including digital (meaning with the digits, i.e., the fingers) or with an object, and may involve only the most minimal penetration. Some jurisdictions refer to some forms of penetration as "acts of indecency", or other terminology.
When a penis is inserted into a vagina, it is generally called vaginal or sexual intercourse.When a penis penetrates another person's anus, it is called anal sex or anal intercourse. Penetrative oral sex may involve penetration of the mouth by a penis (fellatio) or the use of the tongue to penetrate a vagina or vulva (cunnilingus). The tongue may also penetrate the anus during anilingus, which is a form of oral and anal sex. If one or more fingers are used to penetrate an orifice, it is called fingering or digital penetration. The insertion of an object, such as a dildo, vibrator or other sex toy, into a person's genital area or anus may also be considered sexual penetration.
Penetrative sex crimes are generally considered more serious than non-penetrative sex crimes,and sexual penetration of a child even more so. A child below the statutory age of consent generally cannot consent to acts involving sexual penetration. In laws, the term sexual penetration is commonly used in relation to sex with children. Unlawful sexual penetration is generally an offense irrespective of how deep the penetration was and irrespective of whether ejaculation of semen took place.
Laws may distinguish particular forms of sexual penetration as part of the offense. For example, the law in the U.S. state of Oregon provides:
"Unlawful sexual penetration in the first degree" is a felony that occurs where the offender "penetrates the vagina, anus or penis of another with any object other than the penis or mouth of the actor", if the victim is "subjected to forcible compulsion", or is "under 12 years of age", or "is incapable of consent by reason of mental defect, mental incapacitation or physical helplessness"— Unlawful sexual penetration in the first degree, Oregon Statutes § 163.411
In the United Kingdom, sexually penetrating a relative is an offense.
Various forms of penetration have at times been considered obscene and been prohibited. Works containing such penetrations may be considered pornography.[ citation needed ]
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Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual pleasure. Other forms of anal sex include fingering, the use of sex toys for anal penetration, oral sex performed on the anus (anilingus), and pegging. Although anal sex most commonly means penile–anal penetration, sources sometimes use anal intercourse to exclusively denote penile–anal penetration, and anal sex to denote any form of anal sexual activity, especially between pairings as opposed to anal masturbation.
Fellatio is an oral sex act involving the use of the mouth or throat performed by a person on the penis of another person. Oral stimulation of the scrotum may also be termed fellatio, or colloquially as teabagging. If fellatio is performed on oneself, the act is called autofellatio.
Sexual intercourse is sexual activity typically involving the insertion and thrusting of the penis into the vagina for sexual pleasure, reproduction, or both. This is also known as vaginal intercourse or vaginal sex. Other forms of penetrative sexual intercourse include anal sex, oral sex, fingering, and penetration by use of a dildo. These activities involve physical intimacy between two or more individuals and are usually used among humans solely for physical or emotional pleasure and can contribute to human bonding.
Safe sex is sexual activity using methods or devices to reduce the risk of transmitting or acquiring sexually transmitted infections (STIs), especially HIV. "Safe sex" is also sometimes referred to as safer sex or protected sex to indicate that some safe sex practices do not completely eliminate STI risks. It is also sometimes used colloquially to describe methods aimed at preventing pregnancy that may or may not also lower STI risks.
A sex toy is an object or device that is primarily used to facilitate human sexual pleasure, such as a dildo or vibrator. Many popular sex toys are designed to resemble human genitals, and may be vibrating or non-vibrating. The term sex toy can also include BDSM apparatus and sex furniture such as slings; however, it is not applied to items such as birth control, pornography, or condoms. Alternative expressions include adult toy and the dated euphemism marital aid, although "marital aid" has a broader sense and is applied to drugs and herbs marketed to supposedly enhance or prolong sex. Sex toys are most commonly sold at a sex shop, but they may also be sold in a pharmacy/chemist store, a pornographic DVD store, a head shop, or a department store. Today's sex toys are available in almost all countries for male and females.
A sex position is a position of the body that people use for sexual intercourse or other sexual activities. Sexual acts are generally described by the positions the participants adopt in order to perform those acts. Though sexual intercourse generally involves penetration of the body of one person by another, sex positions commonly involve penetrative or non-penetrative sexual activities.
Doggy style is a sex position in which a person bends over, crouches on all fours, or lies on their abdomen, for sexual intercourse, other forms of sexual penetration or other sexual activity. Doggy style is a form of a rear-entry position, others being with the receiving partner lying on the side in the spoons sex position or the reverse cowgirl sex position. Non-penetrative sex in this position may also be regarded as doggy style.
Fingering is typically the use of fingers or hands to sexually stimulate the vulva or vagina. Vaginal fingering is legally and medically called digital penetration or digital penetration of the vagina. Fingering may also include the use of fingers to sexually stimulate the anus.
A strap-on dildo is a dildo designed to be worn, usually with a harness, during sexual activity. Harnesses and dildos are made in a wide variety of styles, with variations in how the harness fits the wearer, how the dildo attaches to the harness, as well as various features intended to facilitate stimulation of the wearer or a sexual partner. Strap-on dildos can be used by people of any gender or sexuality.
In North America, the legal age of consent relating to sexual activity varies by jurisdiction.
Rape is a type of sexual assault initiated by one or more persons against another person without that person's consent. The act may be carried out by physical force, or where the person is under threat or manipulation, or with a person who is incapable of valid consent. It is the name of a statutory crime in jurisdictions such as England and Wales, Northern Ireland, Scotland, California, and New York, and is a legal term of art used in the definition of the offence of sexual violation in New Zealand.
A double penetration dildo or double dildo is a sex toy that allows for the simultaneous penetration of two bodily orifices at the same time. It is designed in the form of two penetrative stimulators that come separately or fixed on the single shaft. Some of them include a vibrating motor that turns them into double penetration vibrators.
Non-penetrative sex or outercourse is sexual activity that usually does not include sexual penetration. It generally excludes the penetrative aspects of vaginal, anal, or oral sexual activity, but includes various forms of sexual and non-sexual activity, such as frottage, mutual masturbation, kissing, or cuddling. Some forms of non-penetrative sex, particularly when termed outercourse, include penetrative aspects, such as penetration that may result from forms of fingering or oral sex.
In humans, the anus is the external opening of the rectum. Two sphincters control the exit of feces from the body during an act of defecation, which is the primary function of the anus. These are the internal anal sphincter and the external anal sphincter, which are circular muscles that normally maintain constriction of the orifice and which relaxes as required by normal physiological functioning. The inner sphincter is involuntary and the outer is voluntary. It is located behind the perineum which is located behind the vagina or scrotum.
In the United States, age of consent laws regarding sexual activity are made at the state level. There are several federal statutes related to protecting minors from sexual predators, but laws regarding specific age requirements for sexual consent are left to individual states, District of Columbia, and territories. Depending on the jurisdiction, the legal age of consent is between 16 and 18. In some places, civil and criminal laws within the same state conflict with each other.
A handjob is a sex act, performed as either foreplay or as non-penetrative sex, that involves the manual stimulation of a man's penis or scrotum by another person to induce an erection for sexual pleasure, sexual arousal and sometimes resulting in orgasm and ejaculation.
Rape is a statutory offence in England and Wales. The offence is created by section 1 of the Sexual Offences Act 2003:
(1) A person (A) commits an offence if—
(2) Whether a belief is reasonable is to be determined having regard to all the circumstances, including any steps A has taken to ascertain whether B consents.
(3) Sections 75 and 76 apply to an offence under this section.
(4) A person guilty of an offence under this section is liable, on conviction on indictment, to imprisonment for life.
The Sexual Offences (Scotland) Act 2009 is an Act of the Scottish Parliament. It creates a code of sexual offences that is said to be intended to reform that area of the law. The corresponding legislation in England and Wales is the Sexual Offences Act 2003 and in Northern Ireland the Sexual Offences Order 2008.
The following outline is provided as an overview of and topical guide to human sexuality:
S v Masiya is an important case in South African criminal law, decided by the Constitutional Court.