Semen is alkaline, which helps neutralize vaginal acidity, providing a temporary "buffer" that allows sperm to survive long enough to reach the cervix.

This article is for informational purposes only and does not constitute medical advice. Always consult with a doctor or sexual health clinic for personalized health concerns or contraceptive needs.

The introduction of semen can temporarily alter the vaginal ecosystem.

If an egg is present in the fallopian tube (ovulation), a single sperm may penetrate it, leading to fertilization.