 Jones said that the neoteny in men's faces may be a "by-product" of men's attraction to indicators of "youthful fecundity" in "adult females".Likewise, neotenous features have also been loosely linked to providing information about levels of ovarian function, which is another integral part of sexual selection.Both of these factors, seeming like extra help is needed as well as neotenous features expression, being tied to optimal ovarian function, lead to a fitness advantage because males respond positively.