Very often "women" and "men" in medicine refers to adults, i.e., 18+. Likewise, we use the term "girl's/boy's" tennis in high school but "women's/men's tennis"

Very often "women" and "men" in medicine refers to adults, i.e., 18+. Likewise, we use the term "girl's/boy's" tennis in high school but "women's/men's tennis" in college because most people in high school are under 18 even though they are "women" and "men" in many relevant senses.