Objective:To test the hypothesis that maternal consumption of polyphenol-rich foods during third trimester interferes with fetal ductal dynamics by inhibition of prostaglandin synthesis.Study Design:In a prospective analysis, Doppler ductal velocities and right-to-left ventricular dimensions ratio of 102 fetuses exposed to polyphenol-rich foods (daily estimated maternal consumption >75th percentile, or 1089 mg) were compared with 41 unexposed fetuses (flavonoid ingestion <25th percentile, or 127 mg).Result:In the exposed fetuses, ductal velocities were higher (systolic: 0.96±0.23 m/s; diastolic: 0.17±0.05 m/s) and right-to-left ventricular ratio was higher (1.23±0.23) than in unexposed fetuses (systolic: 0.61±0.18 m/s, P<0.001; diastolic: 0.11±0.04 m/s, P=0.011; right-to-left ventricular ratio: 0.94±0.14, P<0.001).Conclusion:As maternal polyphenol-rich foods intake in late gestation may trigger alterations in fetal ductal dynamics, changes in perinatal dietary orientation are warranted.
ResumoA ingestão de álcool (etanol) pela mãe durante a gravidez pode resultar em variedade de consequências relacionadas ao neurodesenvolvimento, incluindo retardo mental e deficiências em capacidade cognitiva, atenção, função executiva, controle motor e comportamento. O conjunto dessas manifestações é conhecido como Sín-drome Alcóolica Fetal (SAF). O objetivo deste estudo é identificar os possíveis efeitos do uso do etanol durante a gravidez sobre o embrião humano. Foi realizada ampla pesquisa na literatura médica procurando identificar e extrair informações da literatura nacional e internacional por meio das seguintes bases de dados: Medline (por meio do PubMed), SciELO, LILACS e Cochrane. As principais complicações dos fetos, cujas mães fizeram uso do álcool na gravidez são: baixo peso ao nascer (BPN), crescimento intrauterino restrito (CIUR), prematuridade, retardo no neurodesenvolvimento e microcefalia. O uso de álcool entre as mulheres em idade fértil é causa evitável de anomalias congênitas e deficiências de desenvolvimento. Para prevenir a SAF é aconselhável evitar o uso do álcool na gestação, visto que ainda é difícil definir a dose mínima que irá afetar o desenvolvimento do embrião.Descritores: Síndrome alcoólica fetal; Alcoolismo; Gestação. AbstractThe consumption of alcohol (ethanol) by the mother during the pregnancy can result in a range of consequences related to the neurodevelopment, including mental delay and deficiencies in the cognitive capacity, attention, executive function, motor control and behavior. The assembly of those manifestations is known like Fetal Alcoholic Syndrom (SAF). The objective of this study is going to identify the possible effects of the use of the ethanol during the pregnancy about the human embryonary. It was carried out broad research in the medical literature finding identify and extract information of the international and national literature by means of the following databases: Medline (by means of the PubMed), SciELO, LILACS and Cochrane. The main complications of the fetuses, whose mothers did use of the alcohol in the pregnancy are: low birth weight, intrauterine growth restriction, prematurity, delay in the neurodevelopment and microcefalia.The use of alcohol between the women in fertile age is avoidable cause of congenital anomalies and deficiencies of development. To prevent SAF is recommended to avoid alcohol in the gestation, due to the fact that still difficult to defined the minimum dose that is going to affect the development of the embryo.Keywords: Fetal alcohol syndrome; Alcoholism; Pregnancy. ResumenLa ingestión de alcohol (etanol) por la madre durante el embarazo puede resultar en una variedad de consecuencias relacionadas al neurodesarrollo, incluyendo retardo mental y deficiencias en capacidad cognitiva, atención, función en la ejecución, control motor y comportamiento. El conjunto de esas manifestaciones es conocido como síndrome alcohólico fetal (SAF). El objetivo de este estudio es identificar los posibles efectos del uso de etanol durante el em...
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