Dec 29, 2025 · At copulation, or sexual intercourse, the erect penis is inserted into the vagina, and spermatozoa contained in the seminal fluid (semen) are ejaculated into the female genital …

Human reproduction normally begins with copulation, though it may be achieved through artificial insemination, and is followed by nine months of pregnancy before childbirth.

Apr 30, 2025 · Sexual intercourse, often termed as the act of copulation, is a foundational aspect of human existence that embodies both the physical and emotional dimensions of sexuality.

Jan 1, 2021 · Herein, human copulation, colloquially referred to as “sex” or “sexual intercourse,” will adopt an inclusive definition, including (1) oral sex, (2) vaginal sex, and (3) anal sex.

Coitus (Latin coitio, meaning “a coming together”) is, for many of us, a vehicle for the expression of emotion and intimacy. Strictly speaking, coitus (or sexual intercourse) is the penetration of …

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Human sexual activity has sociological, cognitive, emotional, behavioural and biological aspects. It involves personal bonding, sharing emotions, the physiology of the reproductive system, sex …

Coitus, also known as sexual intercourse, is the physical union between a male and female involving the insertion of the penis into the vagina. This intimate interaction is a fundamental …

Feb 12, 2017 · Sexual intercourse, or copulation, is the deposition of sperm into a female via a male intromittent organ. In humans, the intromittent organ is the penis, and sperm are …

The only type of human sexual intimacy that can result in a baby involves the entry of sperm-bearing semen into a vagina. If conditions are favorable, the semen can pass through the …