Circadian Rhythms During Pregnancy*

Serón-Ferré, Marı́a; Ducsay, Charles A.; Valenzuela, Guillermo J.

doi:10.1210/edrv-14-5-594

Cited by 57 publications

(57 citation statements)

References 114 publications

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“…Practical considerations further limit the ability to choose the optimal timing of collection of hormones, because both amniocentesis and sampling of maternal blood are based on medical factors and convenience. There should also be more attention to the fact that hormones fluctuate within a day and across days, even in fetuses [169,170]. The representativeness of a single sample of hormones is unclear.…”

Section: Recommendations For Prospective Studies In Typical Populatiomentioning

confidence: 99%

Prenatal sex hormone effects on child and adult sex-typed behavior: methods and findings

Cohen-Bendahan

Beek

Berenbaum

2005

Neuroscience & Biobehavioral Reviews

485

400

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There is now good evidence that human sex-typed behavior is influenced by sex hormones that are present during prenatal development, confirming studies in other mammalian species. Most of the evidence comes from clinical populations, in which prenatal hormone exposure is atypical for a person's sex, but there is increasing evidence from the normal population for the importance of prenatal hormones. In this paper, we briefly review the evidence, focusing attention on the methods used to study behavioral effects of prenatal hormones. We discuss the promises and pitfalls of various types of studies, including those using clinical populations (concentrating on those most commonly studied, congenital adrenal hyperplasia, androgen insensitivity syndrome, ablatio penis, and cloacal exstrophy), direct measures of hormones in the general population (assayed through umbilical cord blood, amniotic fluid, and maternal serum during pregnancy), and indirect measures of hormones in the general population (inferred from intrauterine position and biomarkers such as otoacoustic emissions, finger length ratios, and dermatoglyphic asymmetries). We conclude with suggestions for interpreting and conducting studies of the behavioral effects of prenatal hormones. q

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Section: Recommendations For Prospective Studies In Typical Populatiomentioning

confidence: 99%

Prenatal sex hormone effects on child and adult sex-typed behavior: methods and findings

Cohen-Bendahan

Beek

Berenbaum

2005

Neuroscience & Biobehavioral Reviews

485

400

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“…Hormone binding sites are identified in the suprachiasmatic nucleus (SCN) of a fetus from the 18th day of gestation (9). This melatonin path, which mediates interactions between maternal and fetal physiological functions, has been explored mostly in fetal and neonatal circadian rhythms (10)(11)(12).…”

mentioning

confidence: 99%

Protective effect of maternal prenatal melatonin administration on rat pups born to mothers submitted to constant light during gestation

Cisternas

Compagnucci

Conti

et al. 2010

Braz J Med Biol Res

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“…22 Main control center of the circadian rhythms, the suprachiasmatic nucleus located in the hypothalamus, is developed by midgestation. 23 The active and diverse fetal motor behavior in the firsthalf of pregnancy is related to the development of neuronal connections, through axonal in-growth, synaptogenesis and dendrite proliferation. However, we have to emphasize that despite the great diversity of fetal motor patterns in this period of pregnancy, and a dynamic pattern of neuronal production and migration, the cerebral circuits are too immature for cerebral involvement in motor behavior.…”

Section: Development In the Second Trimestermentioning

confidence: 99%

What We have Learned from Fetal Neurophysiology?

Kadić¹,

Predojević²

2012

Donald School Journal of Ultrasound in Obstetrics and Gynecology

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The nervous system is one of the earliest emerging systems in fetal development. Due to progress of modern imaging technologies, such as ultrasound, a growing pool of information on the development of the central nervous system (CNS) and fetal behavioral patterns has been made available. The major events in the development of the CNS, fetal motor and sensory development as well as fetal response to stress are discussed in this review. The fetus is not entirely protected from harmful influence of the external factors. Postnatal follow-up studies have showed that many environmental influences causing the fetal stress can interfere with the fetal neurodevelopment and leave long-term and profound consequences on brain structure and function.

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Circadian Rhythms During Pregnancy*

Cited by 57 publications

References 114 publications

Prenatal sex hormone effects on child and adult sex-typed behavior: methods and findings

Prenatal sex hormone effects on child and adult sex-typed behavior: methods and findings

Protective effect of maternal prenatal melatonin administration on rat pups born to mothers submitted to constant light during gestation

What We have Learned from Fetal Neurophysiology?

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