I say this from experience, as a woman who has been pregnant multiple times in the last few years (pregnancy increases sweat) and worked out through the pregnancies. (wellnessmama.com)
As your body increases sweat production to cool itself, your heart works harder to pump blood at a greater rate to boost circulation. (infraredsauna.com)
It is important to note that dehydration can increase the sweat concentration of sodium and potassium. (acefitness.org)