The vagina is open to the exterior and can damage sperm as well as.
Once inside the vagina, the lifespan of the sperm depends on the woman's vagina, uterus, and fallopian tubes. Without fertile cervical fluid, sperm won't survive.
The most common way people get pregnant is from vaginal sex — when a person who has a penis ejaculates inside the other person's vagina. Sperm cells in.