Predicted and actual fetal weight throughout the last trimester.

Morales‐Roselló, José; Martínez-González, Lidia; Santonja-Lucas, Jose J.

doi:10.7863/jum.1997.16.11.711

Cited by 4 publications

(7 citation statements)

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“…Male fetuses have higher growth velocities than female fetuses in the third trimester, [42][43][44] when the human brain more than doubles its weight. 45 It is therefore possible that SGA boys may be more vulnerable to growth restriction during this period than girls.…”

Section: Discussionmentioning

confidence: 99%

Motor skills in adolescents with low birth weight

Evensen

2004

Archives of Disease in Childhood - Fetal and Neonatal Edition

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Background: Minor motor problems have been reported in low birthweight children, but few studies have assessed motor skills in adolescents. Objective: To examine the prevalence of motor problems in adolescents with low birth weight. Method: Fifty four very low birthweight (VLBW: birth weight ( 1500 g), 59 term small for gestational age (SGA: birth weight , 10th centile), and 83 control (birth weight > 10th centile at term) children were assessed with the Movement assessment battery for children (Movement ABC) at the age of 14 in a population based study. Results: One in four VLBW children (odds ratio (OR) 9.3, 95% confidence interval (CI) 2.5 to 34.5) and one in six SGA children (OR 4.7, 95%CI 1.2 to 18.4) had motor problems compared with controls (3.7%). There were no sex differences in motor problems in the VLBW group, and the increased risk was consistent across the continuum of the Movement ABC. For SGA children, the increased risk of motor problems was particularly in manual dexterity in boys. Conclusion: VLBW and SGA adolescents have increased risk of motor problems compared with control children.

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Section: Discussionmentioning

confidence: 99%

Motor skills in adolescents with low birth weight

Evensen

2004

Archives of Disease in Childhood - Fetal and Neonatal Edition

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“…A biological explanation of the different effect of caffeine intake on the growth of male and female fetuses remains more obscure. Gender differences in fetal growth become particularly apparent during the third trimester, male fetuses having higher growth velocities than female 24,26 , 27 . Thus, an unspecific effect on fetal growth late in pregnancy may contribute to the difference.…”

Section: Discussionmentioning

confidence: 99%

“…Gender differences in fetal growth become particularly apparent during the third trimester, male fetuses having higher growth velocities than female. 24,26,27 Thus, an unspecific effect on fetal growth late in pregnancy may contribute to the difference. However, a specific biological mechanism may also play a role.…”

Section: Total Populationmentioning

confidence: 99%

“…Boys have higher mean weight, length and head circumference at birth than girls, and this suggests different growth patterns in utero . Even if the gender differences in fetal growth are evident early in pregnancy, 24,25 they become particularly pronounced in the third trimester 24,26 . Gender‐specific effects of risk factors for IUGR have been suggested 27,28 .…”

Section: Introductionmentioning

confidence: 99%

“…Even if the gender differences in fetal growth are evident early in pregnancy, 24,25 they become particularly pronounced in the third trimester. 24,26 Gender-specific effects of risk factors for IUGR have been suggested. 27,28 Three studies have found that maternal cigarette smoking affected fetal growth more in male fetuses than in female fetuses.…”

Section: Introductionmentioning

confidence: 99%

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High caffeine consumption in the third trimester of pregnancy: gender‐specific effects on fetal growth

Vik

Bakketeig

Trygg

et al. 2003

Paediatric Perinatal Epid

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It has been suggested that a high caffeine intake in pregnancy may be a risk factor for fetal growth retardation. We have tested this hypothesis in a population-based case-control study. Caffeine intake among 111 mothers of small-for-gestational-age (SGA) infants (56 boys, 55 girls) was compared with the intake among 747 mothers of non-SGA infants (368 boys, 379 girls). Food records for 3 days were collected in the second (week 17-20) and in the third (week 33) trimester, and caffeine intake from coffee, tea, soft drinks and chocolate was calculated and dichotomised as low or high, based upon the median value. Mothers of SGA infants had higher mean intake of caffeine [281 +/- 210 (SD) mg/day] in the third trimester than mothers of non-SGA infants (212 +/- 150 mg/day; P < 0.001). The risk of SGA birth was nearly doubled if the mother had a high rather than a low caffeine intake in the third trimester [odds ratio (OR) 1.8; 95% confidence intervals (CI) 1.2, 2.5]. The increased risk was mainly found in boys (OR 2.8; 95% CI 1.5, 5.2), and not in girls (OR 1.2; 95% CI 0.7, 2.1). The increased risk for boys persisted after adjustment for cigarette smoking alone, or for smoking and various other SGA risk factors together. Our results suggest that a high caffeine intake in the third trimester may be a risk factor for fetal growth retardation, in particular if the fetus is a boy.

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Physiologic restriction versus genetic weight potential: study in normal fetuses and in fetuses with intrauterine growth retardation.

Morales‐Roselló¹

1999

Journal of Ultrasound in Medicine

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Physiologic weight restriction is defined as the difference between the genetic and real weight in a normal fetus. The aims of this study were (1) to obtain, in normal pregnancies, reference values of mean weight restriction between 32 and 42 weeks for both male and female fetuses, and (2) to observe how weight restriction may influence intrauterine growth retardation. In the first part of the study, 1004 ultrasonograms of 389 different women were studied and the estimated fetal weights with their regression curves were calculated and drawn for all fetuses by sex. Differences between the 50th percentile of the genetic curves in normal population and the estimated fetal weight values for each of the 1004 examinations were calculated and weight restriction 50th and 90th percentiles were described. In the second part of the study, genetic curves were constructed retrospectively for 20 fetuses with intrauterine weight restriction whose examinations were performed before week 28 and were compared with curves for the normal population. Finally, for the 20 patients with intrauterine weight restriction, differences between genetic and real weight at delivery were plotted and compared with weight restriction 50th and 90th percentiles. Also, fetuses with intrauterine weight restriction were compared according to differing degrees of restriction. Weight restriction began between 31 and 33 weeks of gestation and was earlier and marked in female fetuses. Genetic percentiles were higher in normal fetuses than in fetuses with intrauterine weight restriction. In addition, pregnancies of intrauterine growth restricted fetuses with greater degrees of weight restriction were more abnormal than those of fetuses with a lesser degree of weight restriction. Both facts imply that some of the fetuses included in the classic diagnosis of intrauterine weight restriction may be genetically small fetuses. Concepts of weight restriction and physiologic weight restriction might be applied to discriminate between normal, genetically small fetuses and fetuses affected with intrauterine growth retardation.

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Predicted and actual fetal weight throughout the last trimester.

Cited by 4 publications

References 0 publications

Motor skills in adolescents with low birth weight

Motor skills in adolescents with low birth weight

High caffeine consumption in the third trimester of pregnancy: gender‐specific effects on fetal growth

Physiologic restriction versus genetic weight potential: study in normal fetuses and in fetuses with intrauterine growth retardation.

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