Only one sperm is needed to fertilize an egg and result in pregnancy. However, millions of sperm are released during ejaculation, and only a small percentage of them will survive the journey to the egg. [1, 3, 7] The sperm that reaches the egg first has the best chance of fertilizing it. [2]
Factors that influence the success of fertilization:
- Sperm count: A healthy ejaculation should have at least 15 million sperm per milliliter. [1]
- Sperm motility: Sperm must be able to move efficiently through the female reproductive tract to reach the egg. [8]
- Sperm morphology: Sperm should have a normal shape and structure. [8]
- Timing of intercourse: Having intercourse close to the time of ovulation increases the chances of pregnancy. [3]
Pre-ejaculate (pre-cum) can also contain sperm and result in pregnancy. [4, 5, 6]
It's important to note that fertility is a complex process, and many factors can affect a couple's ability to conceive. [9] If you're having difficulty getting pregnant, it's always best to consult a healthcare professional for personalized advice.