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  2. File:Penis ejaculates inside a vagina.webm - Wikipedia

    en.wikipedia.org/wiki/File:Penis_ejaculates...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  3. File:Sexual intercourse in the woman on top position.webm

    en.wikipedia.org/wiki/File:Sexual_intercourse_in...

    English: A video example of penile-vaginal intercourse between a man and a woman in the woman on top or “cowgirl” position, including ejaculation inside the vagina. Date 20 October 2020

  4. Penile-vaginal intercourse - Wikipedia

    en.wikipedia.org/wiki/Penile-vaginal_intercourse

    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.

  5. Human reproduction - Wikipedia

    en.wikipedia.org/wiki/Human_reproduction

    The sperm (being one of approximately 250 million sperm in a typical ejaculation) travels through the vagina and cervix into the uterus or fallopian tubes. Only 1 in 14 million of the ejaculated sperm will reach the fallopian tube. The egg simultaneously moves through the fallopian tube away from the ovary.

  6. Sperm - Wikipedia

    en.wikipedia.org/wiki/Sperm

    The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell with 46 paired chromosomes. In mammals, sperm is stored in the epididymis and released through the penis in semen during ejaculation. The word sperm is derived from the Greek word σπέρμα, sperma, meaning "seed".

  7. Internal fertilization - Wikipedia

    en.wikipedia.org/wiki/Internal_fertilization

    Cloacal kiss, which consists in that the two animals touch their cloacae together in order to transfer the sperm of the male to the female. It is used in most birds and in the tuatara, that do not have an intromittent organ. [6] Via spermatophore, a sperm-containing cap placed by the male in the female's cloaca. Usually, the sperm is stored in ...

  8. Human fertilization - Wikipedia

    en.wikipedia.org/wiki/Human_fertilization

    There is also considerable variability in this interval, with a 95% prediction interval of the ovulation of 9 to 20 days after menstruation even for an average woman who has a mean LMP-to-ovulation time of 14.6. [32] In a reference group representing all women, the 95% prediction interval of the LMP-to-ovulation is 8.2 to 20.5 days. [31]

  9. Insemination - Wikipedia

    en.wikipedia.org/wiki/Insemination

    Only about 100-1000 sperm reach the fallopian tubes, [8] where they may survive for up to 6 days. [4] If ovulation occurs and the sperm encounter an ovum in the fallopian tube, fertilization may occur. A woman may also be naturally inseminated while having penile-vaginal intercourse for pleasure without any intent to conceive.