In Focus:

Healthy sperm: Improving your fertility

Do your sperm pass muster?

If you and your partner are planning a pregnancy, you might be wondering about the health of your sperm. Start by understanding the various factors that can affect male fertility — then consider steps to help your sperm become top performers.

 

What determines sperm health?

 

Sperm health depends on various factors, including quantity, movement and structure:

  • Quantity. You're most likely to be fertile if your ejaculate — the semen discharged in a single ejaculation — contains at least 15 million sperm per milliliter. Too little sperm in an ejaculate might make it more difficult to get pregnant because there are fewer candidates available to fertilize the egg.
  • Movement. To reach and fertilize an egg, sperm must move — wriggling and swimming through a woman's cervix, uterus and fallopian tubes. This is known as motility. You're most likely to be fert

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