Will Running a Marathon Impact Your Fertility?

In the 1800s, doctors thought physical activity would make a woman’s uterus fall out. As a result, women were not allowed to run races. We’ve come a long way since then. Women compete in athletic events just like men. And women run marathons without their uteruses falling out. A woman’s uterus is not going to fall out from running a marathon any more than it will make a man’s penis fall off. Quite the contrary, running improves fertility.

Like most things in life, however, too much of a good thing can (sometimes) not be so good. A single athletic event, like running a marathon, swimming the English Channel, or competing in the CrossFit Games, will not make a woman less fertile. However, chronic intense endurance training is associated with altered and sometimes diminished sexual function. Women can experience irregularities in their menstrual cycles, and sometimes no cycle at all, leading to lower estrogen and progesterone levels.

When you understand the cycle of hormones and all the other women-specific factors that affect running performance and your sexual functioning, you open a whole new door to training and racing possibilities.

But you don’t need to understand it all — your coach does. Contact us for women-specialty coaching.

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