When does sperm leave the female body?

By Andrea Rodrigo BSc, MSc.
Last Update: 02/23/2018

After ejaculation, that is, once the sperm enter the vagina, their lifespan is about 2 to 5 days on average. The most powerful ones will die along the journey, though. After fertilization, both the dead and live sperm that could not fertilize the egg will be eliminated by means of phagocytosis (i.e. the body’s own system of neutralization and elimination of substances).

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BSc, MSc
Embryologist
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.
Embryologist. Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.
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