2024年11月12日 · English: Human Penile Vaginal Intercourse from the side, the woman having one leg up to facilitate penetration. The video ends with penis ejaculation.

Penile–vaginal intercourse, or vaginal intercourse, is a form of penetrative sexual intercourse in human sexuality, in which an erect penis is inserted into a vagina. [1] Synonyms are: vaginal sex, cohabitation, coitus (Latin: coitus per vaginam), (in elegant colloquial language) intimacy, or (poetic) lovemaking. (Some of the synonyms are ...

2025年2月6日 · It begins with the insertion of a man's erect penis into a woman's vagina at 0:07, followed by pelvic thrusts, becoming faster, initially to stimulate the vagina as it continues to lengthen and become lubricated. At around 0:49 the man moves the woman's legs apart from each other to allow for better penetration of the vagina.

English: A demonstration of penile-vaginal penetration with a condom, a safer sex practice, between a white man and a white woman having sex on a bed. The woman open the condom package, takes the condom out and puts in on the man's penis.

2024年7月1日 · This category has the following 4 subcategories, out of 4 total.

Sexual intercourse is the natural and most common way to make a baby. It involves a man and woman having sex without birth control until the man ejaculates, or releases, semen from his penis into the woman's vagina.

Articles relating to sexual intercourse (coitus, copulation), the insertion and thrusting of the male penis inside the female vagina for sexual pleasure, reproduction, or both. Sexual penetration has been known by humans since the dawn of time, and has been an instinctive form of sexual behaviour and psychology among humans.

2024年10月22日 · sexual intercourse, reproductive act in which the male reproductive organ (in humans and other higher animals) enters the female reproductive tract. If the reproductive act is complete, sperm cells are passed from the male body into the female, in the process fertilizing the female’s egg and forming a new organism.

2022年3月7日 · Sex is an activity that one, two, or more people participate in that causes them to feel aroused (sexually excited). It can involve touch, words, or both. It may involve touching genitals but does not always have to. Often when people talk about sex, they are talking about sexual intercourse or penetrative sex. Sexual activty should be ...

2025年1月30日 · Sexual intercourse is a physical act involving penetration of the vagina by the penis. It is an intimate activity for reproduction or pleasure. How Does Sexual Intercourse Affect Relationships?