Sperm: 15 crazy things you should know
The lifespan of sperm cells: Longevity, withdrawal, and fertility
A basic high school understanding will tell you that a sperm and an egg will join to make a baby. You might not know the specific details around the lifespan of the sperm inside the vagina or the viability of egg after ovulation. If you are struggling with infertility, it is a good idea to learn a little more about the basics of sperm and egg. A healthy sperm can live from a couple of hours to as long as five days after intercourse. The lifespan of the sperm inside the vagina depends entirely on the environment they are in.
The Truth About Sperm Survival: How Long Do Sperm Live?
There are approximately million sperm in each human ejaculation, but only about 2 million sperm make it into the cervix. Out of the approximately 2 million sperm entering the cervix, only about 1 million make it into the uterus. The rest are stopped by gooey mucus, or swim into dead-end channels inside the walls of the cervix. Out of the approximately 1 million sperm that enter the uterus, only about 10, make it to the top of the organ.
Sperm can live outside the body for varying amounts of time, depending on several factors, including the environment ie: cervical mucus, where they end up… 9. But in the right conditions, sperm can even live up to 5 8 or 6 days in your body after intercourse 1 , This is an incredible feat compared to the brief lifespan of a mere few hours when no cervical mucus is present 4. This is part of why tracking cervical mucus is crucial to understanding your fertility.