Fasting in Labor: Relic or Requirement

Sleutel, Martha Rider; Golden, Susan Sherrod

doi:10.1111/j.1552-6909.1999.tb02024.x

Cited by 32 publications

(48 citation statements)

References 29 publications

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“…Little is known about differences in labor progress, birth outcomes, and neonatal status between women who consume food and/or fluid during labor and those who fast during labor [20]. Increasing fluid administration for nulliparous women in labor above rates commonly used was associated with a lower frequency of prolonged labor and possibly less need for oxytocin in a randomized controlled study (category Ib evidence) [21].…”

Section: Acute Systemic Mild Dehydration or Hypohydrationmentioning

confidence: 97%

Hydration and Disease

Manz

2007

Journal of the American College of Nutrition

101

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Many diseases have multifactorial origins. There is increasing evidence that mild dehydration plays a role in the development of various morbidities. In this review, effects of hydration status on acute and chronic diseases are depicted (excluding the acute effects of mild dehydration on exercise performance, wellness, cognitive function, and mental performance) and categorized according to four categories of evidence (I-IV). Avoidance of a high fluid intake as a precautionary measure may be indicated in patients with cardiovascular disorders, pronounced chronic renal failure (III), hypoalbuminemia, endocrinopathies, or in tumor patients with cisplatin therapy (IIb) and menace of water intoxication. Acute systemic mild hypohydration or dehydration may be a pathogenic factor in oligohydramnios (IIa), prolonged labor (IIa), cystic fibrosis (III), hypertonic dehydration (III), and renal toxicity of xenobiotica (Ib). Maintaining good hydration status has been shown to positively affect urolithiasis (Ib) and may be beneficial in treating urinary tract infection (IIb), constipation (III), hypertension (III), venous thromboembolism (III), fatal coronary heart disease (III), stroke (III), dental disease (IV), hyperosmolar hyperglycemic diabetic ketoacidosis (IIb), gallstone disease (III), mitral valve prolapse (IIb), and glaucoma (III). Local mild hypohydration or dehydration may play a critical role in the pathogenesis of several broncho-pulmonary disorders like exercise asthma (IIb) or cystic fibrosis (Ib). In bladder and colon cancers, the evidence on hydration status' effects is inconsistent.

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Section: Acute Systemic Mild Dehydration or Hypohydrationmentioning

confidence: 97%

Hydration and Disease

Manz

2007

Journal of the American College of Nutrition

101

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“…However, prolonged fasting in labour has never been proved to influence the incidence of pulmonary aspiration, and some clinicians and midwives consider that preventing food intake can be detrimental to the mother, her baby, and the progress of labour. [18][19][20][21][22] Whether food intake in labour will influence the ability to deliver normally, the length of labour, or other obstetric and neonatal end points is not known.…”

Section: Introductionmentioning

confidence: 99%

Effect of food intake during labour on obstetric outcome: randomised controlled trial

O’Sullivan

Liu

Hart

et al. 2009

BMJ

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Objective To investigate the effect of feeding during labour on obstetric and neonatal outcomes. Design Prospective randomised controlled trial. Setting Birth centre in London teaching hospital. Participants 2426 nulliparous, non-diabetic women at term, with a singleton cephalic presenting fetus and in labour with a cervical dilatation of less than 6 cm. Intervention Consumption of a light diet or water during labour. Main outcome measures The primary outcome measure was spontaneous vaginal delivery rate. Other outcomes measured included duration of labour, need for augmentation of labour, instrumental and caesarean delivery rates, incidence of vomiting, and neonatal outcome. Results The spontaneous vaginal delivery rate was the same in both groups (44%; relative risk 0.99, 95% confidence interval 0.90 to 1.08). No clinically important differences were found in the duration of labour (geometric mean: eating, 597 min v water, 612 min; ratio of geometric means 0.98, 95% confidence interval 0.93 to 1.03), the caesarean delivery rate (30% v 30%; relative risk 0.99, 0.87 to 1.12), or the incidence of vomiting (35% v 34%; relative risk 1.05, 0.9 to 1.2). Neonatal outcomes were also similar.

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“…Even though the effort made in labor is compared to athletic performance, such as running a marathon for example, there is a lack of information on the parturients' nutritional needs (8) . In the literature consulted, only one research suggests that during labor, around 50 to 100 calories are spent per hour (18) .…”

Section: Discussionmentioning

confidence: 99%

“…The use of intravenous fluid can have adverse effects on maternal well-being, such as the overload of fluids, discomfort and restriction of movements, and can also cause hyponatremia, hyperglycemia and subsequent hypoglycemia (8)(9) in the fetus/newborn.…”

Section: Introductionmentioning

confidence: 99%

“…In classic labor care, it is usual to restrict oral nutrition and administrate intravenous fluids to prevent or treat dehydration, ketosis and electrolyte unbalance (8) . The use of intravenous fluid can have adverse effects on maternal well-being, such as the overload of fluids, discomfort and restriction of movements, and can also cause hyponatremia, hyperglycemia and subsequent hypoglycemia (8)(9) in the fetus/newborn.…”

Section: Introductionmentioning

confidence: 99%

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