Decreased expression of the righting reflex and locomotor movements in breech-presenting newborns in the first days of life

Sekulić, Slobodan; Žarkov, Marija; Slankamenac, Petar; Božić, Ksenija; Vejnović, T; Novakov-Mikic, Aleksandra

doi:10.1016/j.earlhumdev.2008.11.001

Cited by 8 publications

(7 citation statements)

References 11 publications

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“…With regard to neonatal maturation, breech babies tend to be smaller, 12 have lower scores on neurological tests 13–15 and are balance‐impaired until the age of 12–18 months 16 . Again, for all these findings, inadequate maternal–foetal T4 supply may have been an underlying aetiological factor with regard to optimal neurodevelopment.…”

Section: Discussionmentioning

confidence: 99%

“…Characteristics (relevant to thyroid function) of a sample of 58 breech women of a general population sample of 1000 women compared to 131 women in breech who visited an outpatient clinic for ECV. Term in both groups was between 35 and 38 weeks gestation With regard to neonatal maturation, breech babies tend to be smaller, 12 have lower scores on neurological tests [13][14][15] and are balance-impaired until the age of 12-18 months. 16 Again, for all these findings, inadequate maternal-foetal T4 supply may have been an underlying aetiological factor with regard to optimal neurodevelopment.…”

Section: Discussionmentioning

confidence: 99%

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High thyrotrophin levels at end term increase the risk of breech presentation

Kooistra¹,

Kuppens²,

Hasaart³

et al. 2010

Clinical Endocrinology

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Summary Objective To study the relationship between maternal thyrotrophin (TSH) and breech presentation at term. Design Combined data sets of two prospective studies to obtain adequate epidemiological power. Patients One thousand and fifty‐eight healthy pregnant women (58 breech, 1000 cephalic) and 131 women who presented in breech at an obstetrical outpatient clinic. Measurements Maternal thyroid parameters [TSH, free thyroid hormone (FT4), thyroid peroxidase antibody (TPO‐Ab)] and foetal presentation were assessed in both groups between 35 and 38 weeks gestation. Power calculations suggested that at least 148 breech cases were required. Results The characteristics of the women in breech in both samples were similar. Women in breech (n = 58 + 131) had significantly higher TSH (but not FT4) than those (n = 1000) with cephalic presentation (Mann–Whitney U‐test, P = 0·003). Different cut‐offs were used to define high TSH in the 916 TPO‐Ab‐negative women with cephalic presentation: the 90th, 95th and 97·5th percentiles were 2·4 mIU/l (n = 149), 2·7 mIU/l (n = 77) and 3·2 mIU/l (n = 37). The prevalence rates of breech presentation in these women were all higher compared to the prevalence of breech in women below these cut‐offs (df = 1, P < 0·01). The relative risk of the 149 women with a TSH >90th percentile (>2·4 mIU/l) to present in breech was 1·82 (95% CI: 1·30–2·56). Conclusions Women with high TSH at end term are at risk for breech presentation. Substantial evidence for a relation between breech presentation and neurodevelopmental delay exists. As high TSH during gestation has also been linked to poor neurodevelopment, the relation between breech presentation and poor neurodevelopment might be thyroid‐related.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

High thyrotrophin levels at end term increase the risk of breech presentation

Kooistra¹,

Kuppens²,

Hasaart³

et al. 2010

Clinical Endocrinology

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“…Moreover, at each gestational week beyond 32 weeks, breech babies constantly have a lower birthweight than vertex babies. Sekulić et al have reported on a decreased expression of the righting reflex and of locomotor movements in breech babies after delivery [20]. In this prospective trial, 50 breech babies were compared with 87 vertex babies, all of which were delivered electively by CS after an uneventful pregnancy.…”

Section: Reviewmentioning

confidence: 97%

Planned vaginal breech delivery: current status and the need to reconsider

Glezerman¹

2012

Expert Review of Obstetrics & Gynecology

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“…Breech presentation at birth is more frequent among primiparas and is related to a higher rate of cesarean section than cephalic presentation (8). Also, newborns with breech presentation at delivery have worse physical characteristics than those with cephalic presentation (9).…”

Section: Discussionmentioning

confidence: 99%

“…Also, newborns with breech presentation at delivery have worse physical characteristics than those with cephalic presentation (9). After breech presentation at delivery, women less frequently decide to have another pregnancy, which may explain the higher frequency of primiparas (8). The physical characteristics of newborns indicate suboptimal intrauterine development, and future studies should explore the link between the cornual-fundal location of the placenta and the suboptimal development.…”

Section: Discussionmentioning

confidence: 99%

Breech presentation and the cornual-fundal location of the placenta

et al. 2013

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AimTo investigate the association of cornual-fundal location of the placenta and breech presentation at term delivery.MethodsThis study was conducted at the Department of Obstetrics and Gynecology, Novi Sad, in 2011. The inclusion criteria were delivery at ≥37 weeks of gestation, singleton gestation, and cornual-fundal location of the placenta determined by ultrasonography at ≥37 weeks of gestation when 3/4 or more of the placenta was in the cornual-fundal region.ResultsOut of 2750 ultrasound examinations performed, 143 showed cornual-fundal location of the placenta (frequency 5.2%). Eighty six cases had cephalic presentation (60.14%) and 57 (39.86%) had breech presentation. Of the remaining cases with non- cornual-fundal location, 2585 had cephalic presentation and 22 (0.84%) had breech presentation. The difference in the frequency of breech presentation between the cornual-fundal and non-cornual-fundal groups was significant (χ2 = 77.78, P < 0.001).ConclusionCornual-fundal location of the placenta may be an important clue in resolving the etiology of a number of cases of breech presentation at term delivery.

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Decreased expression of the righting reflex and locomotor movements in breech-presenting newborns in the first days of life

Cited by 8 publications

References 11 publications

High thyrotrophin levels at end term increase the risk of breech presentation

High thyrotrophin levels at end term increase the risk of breech presentation

Planned vaginal breech delivery: current status and the need to reconsider

Breech presentation and the cornual-fundal location of the placenta

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