Quote Originally Posted by hellosunshine View Post
ive also been told having kids increase your VO2 max,sadly cant have kids but many women are strong racers and they have had kiddies.food for thought.
What I've heard is that when a woman is pregnant her blood volume increases and that it never goes back to pre-pregnancy levels so each time she has a child she ends up with a higher blood volume. More blood = more hemoglobin = more O2 to the muscles