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Do Some Men Have More Female Sperm?

Published in Biology 1 min read

No, men do not have "female sperm." Sperm cells are either X or Y chromosomes, which determine the sex of the offspring.

  • X chromosome sperm leads to a female offspring (XX).
  • Y chromosome sperm leads to a male offspring (XY).

The ratio of X to Y sperm in a man's ejaculate is usually close to 50/50, but slight variations can occur. This ratio is influenced by factors such as age, health, and lifestyle.

It's important to remember that the sex of a child is determined at the moment of conception when a sperm cell fertilizes an egg.

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