For example, studies of newly born infants found that girls attended more to a female face
than infant boys, whereas boys attended more to a moving object, such as a mobile.
A healthy baby boy will weigh between 14 1⁄2 and 17 1⁄2 pounds at 8 months; infant girls normally weigh about half a pound less
than infant boys.
Not exact matches
«Nothing excites Monster Mohel more,» says the comicbook, «
than cutting into the penile flesh of an eight - day - old
infant boy.
Even as an
infant,
boys will have a tendency to display subtly more aggressive behavior
than girls.
Boys may differ from girls and breast fed
infants tend to start spoon - feeding later
than those who are not breast fed.
Indeed, these
boys reached puberty earlier, were taller and more muscular, and had higher levels of testosterone in their blood as adults
than did males who gained weight more slowly as
infants.
Male adults responded more frequently to
infant boys than infant girls, but the difference did not reach statistical significance.
Functional magnetic resonance imaging has shown that mothers, but not fathers, have increased brain cortical activation in specific language processing areas when listening to
infant - directed speech, suggesting that mothers have an intent to communicate and the difference in neural processing is experience - dependent.24 The mothers spoke more to
infant girls
than boys in early infancy.
Female adults had a higher response rate to language blocks initiated by
infant girls
than boys during the newborn period and at 44 weeks» PMA.
The rate of birth injuries is higher among baby
boys (about 6.6 per every 1,000
infants born)
than for baby girls (about 5.1 per every 1,000).
Conclusion: Although mothers with depressive symptoms did not show less sensitivity in interactive behavior at 2 - 3 months
than those without depressive symptoms, our results indicate that
infants, particularly
boys, of mothers with depressive symptoms may be negatively influenced by depressive symptoms.
: Although mothers with depressive symptoms did not show less sensitivity in interactive behavior at 2 - 3 months
than those without depressive symptoms, our results indicate that
infants, particularly
boys, of mothers with depressive symptoms may be negatively influenced by depressive symptoms.
However,
infants, particularly
boys (p = 0.002), of mothers with depressive symptoms fretted more in mother -
infant interaction
than infants of mothers without depressive symptoms (p = 0.009).
Typically the wait for an
infant girl can be longer
than for an
infant boy, as many requests are made for little girls.
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.)
The sex difference in play parenting is related, in part, to the fact that girls are assigned child - care roles, especially for
infants, much more frequently
than are
boys throughout the world (Whiting & Edwards, 1988).