Birthweight by gestational age in Norway

Skjærven, Rolv; Gjessing, Håkon K.; Bakketeig, Leiv S.

doi:10.1034/j.1600-0412.2000.079006440.x

Cited by 371 publications

(201 citation statements)

References 18 publications

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“…Ten (17%) were born prematurely at weeks 28-36. Eight patients (13%) had a birth weight below the 2.5th percentile and 12 (20%) below the 5th percentile according to gestational age using Norwegian standards [30]. Severe cardiac defects were discovered in the postnatal period.…”

Section: Resultsmentioning

confidence: 99%

Age-dependent clinical problems in a Norwegian national survey of patients with the 22q11.2 deletion syndrome

et al. 2010

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Patients with the 22q11.2 deletion syndrome display a wide phenotypic variation that is important for clinical follow-up. In this national survey of 60 patients (ages 1 to 54 years) diagnosed by Fluorescence in situ hybridization test, data were collected from medical records, a physical examination, and a semistructured interview. Ultrasound investigation of the kidneys was also performed. In addition, multiplex ligation probe amplification assay was performed to detect deletion size. Phenotypic features leading to the genetic diagnosis were noted. The patients showed a variety of organ malformations including 39 with heart anomalies. Only 20 individuals had been diagnosed with 22q11.2 DS in the first year of life. Four patients had renal and five males had genital malformations. The increased infection susceptibility (excluding otitis media) and most feeding difficulties subsided during early childhood. Speech difficulties started early and were a major problem for many patients at least until 10 years of age. Ten patients developed kyphoscoliosis in late childhood. In teenagers and adults, abnormal social behavior, learning disabilities, and psychiatric symptoms dominated. Our study which also includes adult patients emphasizes a marked change in challenges in individuals with the 22q11.2 deletion syndrome with increasing age.

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Section: Resultsmentioning

confidence: 99%

Age-dependent clinical problems in a Norwegian national survey of patients with the 22q11.2 deletion syndrome

et al. 2010

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“…Specifically, using linear regression (GLM procedure in SAS v. 9.1), we tested for crude and birth year-adjusted differences in average weight, length, and BMI at birth between same-sex marrying and other women and men in the cohort. Birth year adjustment was applied to take the marked secular increase in neonatal body size into account, which has been reported in Denmark (SchackNielsen, Mølgaard, Sørensen, Greisen, & Michaelsen, 2006), other Nordic countries (Odlind, Haglund, Pakkanen, & Otterblad Olausson, 2003;Skjaerven, Gjessing, & Bakketeig, 2000), and Canada (Wen et al, 2003).…”

Section: Resultsmentioning

confidence: 99%

Body Size at Birth and Same-Sex Marriage in Young Adulthood

Frisch

Zdravkovic

2008

Arch Sex Behav

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An unexplained excess of overweight has been reported among lesbians. In contrast, reports suggest that gay men may be, on average, slightly lighter and shorter than heterosexual men. We studied associations between weight, length, and body mass index (BMI) at birth and same-sex marriage in young adulthood among 818,671 Danes. We used linear regression to calculate differences in mean body measures at birth and Poisson regression analysis to calculate confounder-adjusted incidence rate ratios (IRR) of same-sex marriage according to body measures at birth. Overall, 739 persons entered same-sex marriage at age 18-32 years during 5.6 million person-years of follow-up. Birth year-adjusted mean body measures at birth were similar for same-sex married and other women. However, same-sex marriage rates were 65% higher among women of heavy birth weight (IRR = 1.65; 95% CI = 1.18-2.31, for > or =4000 vs. 3000-3499 g, p = .02), and rates were inversely associated with birth length (p (trend) = .04). For same-sex married men, birth year-adjusted mean weight (-72 g, p = .03), length (-0.3 cm, p = .04), and BMI (-0.1 kg/m(2), p = .09) at birth were lower than for other Danish men. Same-sex marriage rates were increased in men of short birth length (IRR = 1.45; 95% CI = 1.01-2.08, for < or =50 vs. 51-52 cm), although not uniformly so (p (trend) = .16). Our population-based findings suggest that overweight in lesbians may be partly rooted in constitutional factors. Novel findings of smaller average body measures at birth in same-sex marrying men need replication. Factors affecting intrauterine growth may somehow influence sexual and partner-related choices in adulthood.

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“…The MBRN is well established as a database for epidemiologic research, and also for birth weight standards [14]. The MS Registry includes approximately half of Norwegian MS patients.…”

Section: Discussionmentioning

confidence: 99%

“…Whether caesarean sections were planned or emergency type was recorded from 1988 and onwards. Outcome variables for the neonate were gestational age, gender, anthropometrical measures, preterm births (< 37 weeks of gestation), term births (37-42 weeks of gestation), perinatal mortality (all deaths from 16 weeks of gestation up to 7 days after birth), birth defects, small for gestational age (birth weight below the tenth percentile at the attained gestational age) [14], high birth weight (≥ 4500 g) in term births, and low birth weight (< 2500 g) in births ≥ 28 weeks of gestation.…”

Section: ■ Variablesmentioning

confidence: 99%

Pregnancy, delivery and birth outcome in different stages of maternal multiple sclerosis

et al. 2008

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To investigate the influence of maternal multiple sclerosis (MS) on pregnancy, we compared pregnancy, delivery and birth outcome in births prior to onset of MS (pre MS), between MS onset and diagnosis (early MS), and after diagnosis of MS (manifest MS). Mothers with MS were identified through linkage of the Norwegian MS Registry and the Medical Birth Registry of Norway (1967-2002). All pre MS births (n = 1910), early MS births (n = 555), and manifest MS births (n = 308) were compared. There was a significantly lower mean birth weight in term births (adjusted for gestation in weeks, mother's age, time period and caesarean section) in the manifest MS compared to the pre MS group (P = 0.046). The rate of birth complications and interventions did not differ between the three groups. Manifest MS in birth-giving mothers seems to affect birth weight.

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Birthweight by gestational age in Norway

Cited by 371 publications

References 18 publications

Age-dependent clinical problems in a Norwegian national survey of patients with the 22q11.2 deletion syndrome

Age-dependent clinical problems in a Norwegian national survey of patients with the 22q11.2 deletion syndrome

Body Size at Birth and Same-Sex Marriage in Young Adulthood

Pregnancy, delivery and birth outcome in different stages of maternal multiple sclerosis

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