Related by context. Frequent words. (Click for all words.) 50 firstborn 50 offspring 49 IQs 49 borns 48 fathers 48 fraternal twins 47 childless 47 menarche 46 breast fed 46 breastfed 44 mothers 44 offsprings 43 exclusively breastfed 43 heritability 42 heritable 42 childrearing 41 Ashkenazi Jews 41 congenital abnormalities 41 preterm babies 40 low birthweight 40 Premature babies 40 nondrinkers 40 unhappier 40 identical twins 39 abstainers 39 preterm 39 sibs 39 babies 39 matings 39 likelier 39 singletons 39 chromosomal abnormalities 38 females 38 CNVs 38 parented 38 fawns 38 stepfathers 38 husbands 38 siblings 38 dads 38 twins 38 trisomy 38 vitamin D deficient 38 socioeconomic status 38 congenital malformations 38 depressive symptoms 38 adiposity 38 childlessness 37 prenatal exposure 37 child rearing 37 Pregnancies 37 untreated mice 37 cohabiting couples 37 heredity 37 preterm infants 37 younger siblings 37 cohabiting 37 progeny 37 percentiles 37 matriarchs 37 neuroticism 37 teetotalers 37 maternal 37 Females 37 mutated genes 37 female fetuses 37 X chromosome 36 gestational age 36 adulthood 36 HbA1c levels 36 X chromosomes 36 male counterparts 36 Generation Xers 36 genetically 36 pregnancies 36 heterozygous 36 giftedness 36 dietary patterns 36 wives 36 paternal 36 DASH diet 36 strongest predictor 36 mothering 36 blastocyst 36 ADHD 36 gene variation 36 valproate 36 cortisol levels 36 death syndrome SIDS 35 heterosexual counterparts 35 marriageable age 35 childbearing 35 nmol L 35 triplets 35 genetic susceptibility 35 preterm births 35 daughters 35 preemies 35 preeclampsia 35 personality traits 35 born prematurely