Does preterm birth affect child temperament? A meta-analytic study

Cassiano, Rafaela Guilherme Monte; Provenzi, Livio; Linhares, Maria Beatriz Martins; Gaspardo, Cláudia Maria; Montirosso, Rosario

doi:10.1016/j.infbeh.2019.101417

Cited by 39 publications

(29 citation statements)

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“…Analysis of Covariance was used to assess for differences in temperament and sensory processing mean scores between infants born to mothers with asthma and control infants, while controlling for gestational age and birth weight. These variables were included as covariates in the analyses because they have been widely reported to be associated with maternal asthma, and infant temperament and sensory outcomes (e.g., Murphy et al, 2011;Dudova et al, 2014;Cassiano et al, 2020). Differences in the distribution of temperament and sensory processing profile scores between infants born to mothers with asthma and control infants were examined using Chi-squared analyses.…”

Section: Discussionmentioning

confidence: 99%

“…These perinatal outcomes are posited to be due to respiratory alkalosis and hypoxia during pregnancy, resulting in reduced placental blood flow and oxygen supply to the foetus during pregnancy (Meakin et al, 2020). Importantly, such perinatal outcomes confer a higher risk for poor developmental outcomes for infant offspring such as more challenging temperament, greater sensory processing difficulties, increased hyperactivity/inattention, social/peer problems, and developmental delays (Dudova et al, 2014;Guerra et al, 2014;Oudgenoeg-Paz et al, 2017;Cassiano et al, 2020). Children whose mothers have asthma are also at high risk of developing asthma themselves (Lebold et al, 2020), particularly if their mother's asthma was not managed effectively during pregnancy (Liu et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…Infant temperament and sensory features are considered early markers of general developmental and behavioural concerns in childhood and are susceptible to pregnancy complications. For example, recent systematic review and meta-analytic evidence suggests that infants that are born prematurely have poorer attention, higher activity levels, and more auditory processing problems, compared to full-term infants (Bröring et al, 2017;Cassiano et al, 2020). Infants born with a low birthweight have been reported to be fussier and more withdrawn than healthy controls (Honjo et al, 2002;Ohgi et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

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Early Sensory and Temperament Features in Infants Born to Mothers With Asthma: A Cross-Sectional Study

et al. 2021

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Maternal asthma in pregnancy is associated with an increased risk of adverse perinatal outcomes. Adverse perinatal outcomes may result in poorer infant developmental outcomes, such as temperament and sensory difficulties. This study aimed to (1) assess differences in temperament and sensory features between infants born to mothers with and without asthma and (2) investigate differences in these infant behaviours as a function of maternal asthma severity and asthma control. Mothers completed the Carey Temperament Scales and the Sensory Profile 2 at either 6 weeks, 6 months, or 12 months postpartum. Overall, we observed no significant differences between infants born to mothers with and without asthma in their temperament or sensory features; scores in both domains fell within the normative range. More infants in the asthma group, however, were reported to be highly distractible. When compared with normative data, infants in both groups were reported to have poor predictability of biological functions and fewer infants engaged in low levels of sensory behaviours. Some infants were observed to experience difficulties with hyper-reactivity within several domains. Maternal asthma severity and control during pregnancy were not linked to significant differences between infant temperament and sensory features. The present findings indicate that infants born to mothers with asthma are not at an increased risk overall for temperament or sensory difficulties, compared to control infants. However, a subset of infants across both groups may be at risk for attention or sensory hyper-reactivity difficulties. Further research into the developmental outcomes of infants born to mothers with asthma is warranted.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Early Sensory and Temperament Features in Infants Born to Mothers With Asthma: A Cross-Sectional Study

et al. 2021

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“…We hypothesized that, in line with the literature, infants born preterm would have a higher degree of difficult temperament, as assessed with the Infant Behavior Questionnaire—Revised Very Short Form (IB‐R‐VSF) (Cassiano et al., 2020; Putnam et al., 2014). A more difficult temperament would be indicated by lower scores for positive affectivity/surgency (PAS) and orienting/regulatory capacity (ORC), and higher scores for NEG.…”

Section: Introductionmentioning

confidence: 93%

“…Studies have also found infants born preterm to be more negative in emotionality than infants born at term (Garcia-Coll et al, 1988;Langerock et al, 2013;Voegtline & Stifter, 2010). Meta-analytic evidence has supported the finding that infants born preterm have less regulated temperaments than infants born at term (Cassiano et al, 2020). However, some studies examining temperament find no differences between preterm and full-term samples (Gray et al, 2013;Hara et al, 1990;Oberklaid et al, 1985;Olafsen et al, 2008;Weiss et al, 2004).…”

Section: Infant Temperamentmentioning

confidence: 99%

The association of infant temperament and maternal sensitivity in preterm and full‐term infants

Vaccaro

Tofighi

Moss

et al. 2021

Infant Mental Health Journal

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Infants who experience sensitive caregiving are at lower risk for numerous adverse outcomes. This is especially true for infants born preterm, leading them to be more susceptible to risks associated with poorer quality caregiving. Some research suggests that preterm and full-term infants differ on temperament, which may contribute to these findings. This study aimed to investigate associations between infant temperament (negative emotionality, positive affectivity/surgency, and orienting/regulatory capacity) and maternal sensitivity among infants born preterm (M = 30.2 weeks) and full term. It was hypothesized that mothers of infants born preterm and mothers of infants with more difficult temperaments would display lower sensitivity, indicated by lower responsiveness to nondistress, lower positive regard, and higher intrusiveness. Videotaped play interactions and a measure of temperament (Infant Behavior Questionnaire) were coded for 18 preterm and 44 full-term infants at 9 months (corrected) age. Results suggest that mothers of preterm and full-term infants differed significantly in responding to their infants, but these results cannot be explained by infant temperament. Preterm status and sociodemographic risk emerged as correlates of maternal behavior, such that mothers of infants born preterm and mothers with greater sociodemographic risk displayed lower levels of maternal sensitivity.

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Intergenerational Echoes of Climate Change

2020

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As global temperatures increased by 0.5 °C to 1 °C during the last half century, the number and severity of heat waves also increased. Headlines pronounced the huge mortality tolls: more than 1000 deaths in the US East Coast and Midwest heat wave of July 1995 and up to 70 000 in the 2003 European heat wave.Unreported, unseen, and not well appreciated is the association of heat waves with pregnancy outcomes. The physiology of pregnancy has already engaged the cardiovascular responses that are activated to cool the body, increasing cardiac output and decreasing peripheral vascular resistance, so hyperthermia is more frequent and severe in pregnant women. The fetal circulation is also compromised, as maternal blood flow is shunted to the skin for cooling. Not surprisingly given these biological effects, elevated temperature was the first identified teratogen based initially on animal observations.More than 40 published studies demonstrated associations between excessive maternal ambient heat exposureandadversepregnancyoutcomes,particularlypreterm birth and risk of still birth (Table 1-6 ). Although most extant research is drawn from large ecological studies that rely on governmentdatabasesformeteorologicalinformationand lack person-specific exposure information and gestational age data, the findings are consistent in showing increasing obstetricrisksattemperatureextremes.Theresultsareparticularlypersuasiveindemonstratingincreasedratesofpretermbirthsforearlyandlatepregnancyexposures.Thesensitivity of uterine contractility to hyperthermia increases as pregnancyadvances,leadingtoexcesspretermparturition at 37 to 38 weeks, which is associated with higher infant morbidity than births at full term.The US already has the highest preterm birth rate amonghigh-resourcecountriesatapproximately10%,recognized as the leading cause of neonatal mortality. The association between preterm birth and later psychiatric outcomes is likewise striking. In a rigorous population birth cohort study, psychiatric disorders monotonically increased as gestational age at birth decreased: offspring born at fewer than 32 weeks demonstrated more than twice the risk for nonaffective psychosis, tripled risk for depression, and a 7-fold increase in the risk for bipolar disorder, all unexplained by suboptimal fetal growth or low Apgar scores. 7 Preterm birth is also an established risk factor for autistic spectrum disorder and attention-deficit/ hyperactivity disorder. 8 Animal studies show increased apoptotic cell death from elevated temperatures and alterations in protein conformation that could affect neurodevelopment, consistent with the tripled risk for neural tube defects for offspring with prenatal exposure to maternal fever. 9 Someofthewell-describedexcessriskforschizophrenia and other brain disorders among offspring born in the late winter and early spring 10 could be explained by excessive summer heat exposure in early pregnancy. Ambient temperaturesmaybetheseasonallyfluctuatingexposures thatproduceaseasonofbirtheffect.Whileacclimatization to h...

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Does preterm birth affect child temperament? A meta-analytic study

Cited by 39 publications

References 67 publications

Early Sensory and Temperament Features in Infants Born to Mothers With Asthma: A Cross-Sectional Study

Early Sensory and Temperament Features in Infants Born to Mothers With Asthma: A Cross-Sectional Study

The association of infant temperament and maternal sensitivity in preterm and full‐term infants

Intergenerational Echoes of Climate Change

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