The effect of circadian rhythm changes on fetal and placental development (experimental study)

To investigate the effect of circadian rhythm changes on fetal-placental development in pregnant rats. Pregnant rats were randomly allocated to 4 groups with 10 rats in each group. Group 1: 12 hours light 12 hours dark period (n:10, Control Group); Group 2: 6 hours light 6 hours dark period (n:10);...

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Veröffentlicht in:	Neuro-endocrinology letters 2008-02, Vol.29 (1), p.87-90
Hauptverfasser:	Gozeri, Ebru, Celik, Husnu, Ozercan, Ibrahim, Gurates, Bilgin, Polat, Sinan Aytaç, Hanay, Fethi
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Circadian Rhythm - physiology Female Fetal Development - physiology Fetal Weight - physiology Models, Animal Organ Size Photoperiod Placenta - pathology Placenta - physiology Placentation - physiology Pregnancy Random Allocation Rats Rats, Wistar
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Zusammenfassung:	To investigate the effect of circadian rhythm changes on fetal-placental development in pregnant rats. Pregnant rats were randomly allocated to 4 groups with 10 rats in each group. Group 1: 12 hours light 12 hours dark period (n:10, Control Group); Group 2: 6 hours light 6 hours dark period (n:10); Group 3: constant light group (n:10); Group 4: constant dark group (n:10). Rats were made to deliver by cesarean birth at the end of their pregnancy and their placenta, number and weight of the offspring, and placental histopathological changes were examined. Fetal number in the constant dark group was found significant in comparison to constant light group (p
ISSN:	0172-780X