female 121 human 118 Humans 87 Female 82 adult 79 controlled study 64 Pregnancy 60 pregnancy 59 Article 55 male 49 Adult 44 major clinical study 39 child 36 Male 34 article 29 psychology 28 infant 27 mother 26 Child 24 adolescent 24 Infant 22 pregnant woman 22 preschool child 22 maternal behavior 21 young adult 21 Child, Preschool 20 Mothers 19 Adolescent 17 Mother-Child Relations 17 cohort analysis 17