How do the sperms of the penis go into the female's reproductive duct without contact?

Penis releases its sperm in vagina by contact only. Then it goes to the different reproductive ducts like cervix, uterus and then to the fallopian tube by itself. Sperm need energy to travel there, which is provided by the sperm tail movement, ejaculation force, and the contraction if the uterus walls.

There is another method to transfer the sperm in the female body without contact of penis. It is called artificial insemination.

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