Comment: Female older siblings are far more likely than male older siblings to be given child care responsibilities while young; teenage girls are far more likely than teenage boys to hold childcare and
babysitting jobs; new mothers are far more likely to have prepared for parenthood by reading pregnancy - to - parenting articles and books as well as talking with (and spending social time with) primary caregiving women friends and relatives and their children; the ever - present months - long pregnancy itself initiates mothers into a mindset of habitual constant awareness of child - whereabouts; and various biological and hormonal factors make mothers more responsive to
routine infant cues (other than severe distress cries.)