1997
DOI: 10.1097/00003081-199706000-00011
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Fetal Swallowing: Relation to Amniotic Fluid Regulation

Abstract: In summary, fetal swallowing activity contributes importantly to fetal and amniotic fluid homeostasis, and fetal somatic and gastrointestinal development. Human and ovine fetal swallowing increases throughout gestational with fetal swallowed volumes markedly greater (relative to body weight) than adults. Although the regulation of swallowing activity in early gestation is unknown, intact central and systemic dipsogenic mechanisms have been shown during the last third of ovine gestation. Recent studies suggest … Show more

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Cited by 70 publications
(44 citation statements)
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“…During fetal development, the intrauterine environment is rich in odor volatiles (i.e., flavors) that change as a function of the mothers' diet. As discussed above, it is likely that the fetus is sensitive to and learning about this ever-changing flavor profile; by the last trimester the taste and olfactory receptors are functional, and the fetus is actively swallowing between 500 and 1,000 mL of amniotic fluid each day [39] . After birth, infants are exposed to a diet that is typically solely milkbased, consisting of breast milk, artificial milk (formula), or both.…”
Section: Bitter Tastementioning
confidence: 99%
“…During fetal development, the intrauterine environment is rich in odor volatiles (i.e., flavors) that change as a function of the mothers' diet. As discussed above, it is likely that the fetus is sensitive to and learning about this ever-changing flavor profile; by the last trimester the taste and olfactory receptors are functional, and the fetus is actively swallowing between 500 and 1,000 mL of amniotic fluid each day [39] . After birth, infants are exposed to a diet that is typically solely milkbased, consisting of breast milk, artificial milk (formula), or both.…”
Section: Bitter Tastementioning
confidence: 99%
“…Fluid volume is not determined solely as a passive equilibrium of diffusion and secretion. It is now broadly accepted that the fetus plays an important role in regulating its own fluid volume through the behaviors of swallowing and micturition (Ross & Brace, 2001;Ross & Nijland, 1997). Fetal swallowing is the major source of water loss and turnover in the fetus, although a significant volume of AF is removed by transfer from the amniotic cavity into the circulatory vessels within the fetal membranes (Gilbert, Newman, Eby-Wilkens & Brace, 1996).…”
Section: The First Environment: the Behavioral Relevance Of Amniotic mentioning
confidence: 99%
“…Also AFI values of less than 8.5 at 39 weeks may be useful for predicting the incidence of oligohydramnios in prolonged pregnancy. Fetal swallowing [16] and the transmembranous pathway [17] are also considered important signs of the maintenance of amniotic fluid volume. During this period, the latter has been reported to be a minor route [17].…”
Section: Discussionmentioning
confidence: 99%