The Healthy Newborn Hydration Model

Mulder, Pamela J.; Gardner, Sue E.

doi:10.1177/1099800414529362

Cited by 10 publications

(8 citation statements)

References 52 publications

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“…The infants in the current analyses were mostly born at term (91.9% at

weeks gestation). Median infant weight for length z-score at the time of examination was slightly negative (

), presumably due to the water weight loss that typically occurs in the days immediately following birth ( Mulder and Gardner 2015 ). Of the 381 babies included in this analysis, exams were conducted on 68 babies (17.8%) at greater than 2 d old.…”

Section: Resultsmentioning

confidence: 99%

First-Trimester Urinary Bisphenol A Concentration in Relation to Anogenital Distance, an Androgen-Sensitive Measure of Reproductive Development, in Infant Girls

Barrett

Sathyanarayana

Mbowe

et al. 2017

Environ Health Perspect

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Introduction:Evidence from animal models suggests that prenatal exposure to bisphenol A (BPA), a ubiquitous endocrine-disrupting chemical, is associated with adverse reproductive outcomes in females. Exposure during early gestation, a critical period for reproductive development, is of particular concern. Anogenital distance (AGD) is a sensitive biomarker of the fetal hormonal milieu and a measure of reproductive toxicity in animal models. In some studies, the daughters of BPA-exposed dams have shorter AGD than controls. Here, we investigate this relationship in humans.Methods:BPA was assayed in first-trimester urine samples from 385 participants who delivered infant girls in a multicenter pregnancy cohort study. After birth, daughters underwent exams that included two measures of AGD (AGD-AC: distance from center of anus to clitoris; AGD-AF: distance from center of anus to fourchette). We fit linear regression models to examine the association between specific gravity–adjusted (SPG-adj) maternal BPA concentrations and infant AGD, adjusting for covariates.Results:BPA was detectable in 94% of women. In covariate-adjusted models fit on 381 eligible subjects, the natural logarithm of SpG-adj maternal BPA concentration was inversely associated with infant AGD-AC [β=−0.56, 95% confidence interval (CI): −0.97, −0.15]. We observed no association between maternal BPA and infant AGD-AF.Conclusion:BPA may have toxic effects on the female reproductive system in humans, as it does in animal models. Higher first-trimester BPA exposure was associated with significantly shorter AGD in daughters, suggesting that BPA may alter the hormonal environment of the female fetus. https://doi.org/10.1289/EHP875

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“…The infants in the current analyses were mostly born at term (91.9% at

weeks gestation). Median infant weight for length z-score at the time of examination was slightly negative (

Section: Resultsmentioning

confidence: 99%

First-Trimester Urinary Bisphenol A Concentration in Relation to Anogenital Distance, an Androgen-Sensitive Measure of Reproductive Development, in Infant Girls

Barrett

Sathyanarayana

Mbowe

et al. 2017

Environ Health Perspect

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“…Although Verd et al (2018) did not find a significant association between mode of delivery and weight loss above or below the median, they did separate mode of delivery into "non-assisted", "instrumental", and "caesarean section". Furthermore, Manganaro et al (2001) considered association between mode of delivery and weight loss >10%, while Verd et al (2018) calculated the association between mode of delivery and weight loss above or below the median weight loss of the cohort (6%), which may not be relevant as this is below what is generally considered excess weight loss (Chantry et al, 2011;Davanzo et al, 2013;Mulder & Gardner, 2015). Overall studies indicate that CS has a negative impact on neonatal weight.…”

Section: Figure 2 Flowchart Of Search Strategymentioning

confidence: 99%

Neonatal weight loss and gain patterns in caesarean section born infants: integrative systematic review

Kelly

Keane

Gallimore

et al. 2019

Maternal & Child Nutrition

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There is evidence that caesarean section delivery can impact on neonatal weight loss and weight gain patterns in the first 5 days of life. We conducted an integrative systematic review to examine the association of mode of delivery on early neonatal weight loss. Pubmed, Cumulative Index to Nursing and Allied Health Literature, Web of Science, Excerpta Medica dataBASE, and Medical Literature Analysis and Retrieval System Online were searched for relevant papers published before June 2019. Reference lists from the relevant papers were then backwards and forwards searched. As neonatal weight loss was reported in different formats, a meta‐analysis could not be carried out. Most studies did not distinguish between elective and emergency caesarean sections or instrumental and nonassisted vaginal deliveries. Seven papers were included. All papers except one found that caesarean section was associated with higher weight loss in the early days of life. Two papers presented data from studies on babies followed up to 1 month. One study found that on day 25, babies born by caesarean section had significantly higher weight gain than those born vaginally, while another found that by day 28, babies born vaginally gained more weight per day (11.9 g/kg/day) than those born by caesarean section (10.9 g/kg/day; p = .02). Overall, infants born by caesarean section lost more weight than those born vaginally, but due to the small number of studies included, more are needed to look at this difference and why it may occur. This discrepancy in weight between the two groups may be corrected over time, but future studies will need larger sample sizes and longer follow‐up periods to examine this.

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“…Supplementation of breastfeeding or increased formula feeding is often recommended when the infant reaches weight loss of seven to ten percent of birth weight [3,2,18] Regarding the second research question addressing the relationship between intravenous fluid during parturition and newborn weight loss during the first 7 days of birth, the results revealed a significant difference between male and female in relation to their weight when their mothers received 1250 ml. The female loss was higher than the males' loss at first day and there was a significant difference between male and female in relation to their weight at second and third day after birth.…”

Section: Discussionmentioning

confidence: 82%

“…However, excess fluid loss immediately following birth is a normal and necessary process. Furthermore, newborns exposed to excess fluid intake during labor may need to lose ≥ 7% of birth weight in the first 2 days following birth in order to achieve euhydration [18]. Therefore, hydration of the mother is recommended as a low-cost method with no complications for the fetus and the mother.…”

Section: Introductionmentioning

confidence: 99%

“…Research is necessary in healthy newborns to identify relationships among fluids received in utero, newborn weight loss, and hydration, as evaluated with laboratory measures, in the first 2 days following birth. This information will guide clinicians in correctly identifying newborns with inadequate hydration who are in need of supplementary fluids versus newborns with adequate hydration for whom exclusive breast-feeding can be supported and encouraged [18].…”

Section: Introductionmentioning

confidence: 99%

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The Impact of Intravenous Protocols During Labor on Maternal \ Newborn Outcomes

Ghonemy¹

2017

2471-6529

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happening are less than being struck by lightning (seven events in 10 million births) as reported by Dekker [9]. Also, reducing hypotension in the mother following epidurals and intrathecal anaesthesia for caesarian sections is one of the major causes for providing intravenous fluids to keep women adequately hydrated during labour [13]. Routine administration of intravenous fluids to keep women adequately hydrated during labour may reduce the period of contraction and relaxation of the uterine muscle, and may ultimately reduce the duration of the labour. It has also been suggested that intravenous fluids may reduce Caesarean Sections (CS) for prolonged labour [8]. Finally, in 2012, Kavitha et al. randomized 293 moms into one of three groups: oral fluids (plain water and coconut water), IV fluids at 125 ml/hr, or IV fluids at 250 ml/hr [15]. The women in the IV fluid groups were also allowed to have oral fluids. There were no differences between groups regarding length of labor (first stage, second stage, or total length), oxytocin augmentation, or any other complications. There were no differences in complication rates, and no cases of pulmonary edema (However, again, other signs and symptoms of fluid volume overload were not measured).Intravenous therapy instead of oral hydration is common practice in labor, historically, practitioner administered high dose of glucose solution to combat the development of ketones, more commonly now are isotonic or low dose glucose as high dose and rapid infusion of glucose solution are associated with increased incidence of maternal and fetal hyperglycemia and fetal acidemia. Also, dextrose only solution caused a fall in serum osmolarity and sodium concentration [1]. Regardless of solution type, intravenous therapy predispose women to immobilization, stress, increased risk of fluid overload and does not ensure a nutrient and fluid balance for the demand of labor [24]. A study was conducted by Dawood, Dowswell and Quenby to assess the impact of administering frequent IV fluids to nulliparous women on lowering the labor duration with a random selection of cases [8]. The most important findings of this study revealed a marked reduction in labor duration among women who delivered vaginally and through C.S after administering Ringer's lactate solution. Moreover, this study showed that higher infusion of IV fluids is associated with reduced labor duration. Additionally, women who received dextrose solution showed reduction in labor duration. However results of other trials proposed that AbstractBackground: Intravenous therapy instead of oral hydration is common practice in labor. Adequate rehydration has shown a reduction in labor duration. However results of other trials proposed that labor duration could be decreased by administering IV fluids at a rate of 250ml/hr which is better than giving such fluids in a rate of 125ml/hr.

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The Healthy Newborn Hydration Model

Cited by 10 publications

References 52 publications

First-Trimester Urinary Bisphenol A Concentration in Relation to Anogenital Distance, an Androgen-Sensitive Measure of Reproductive Development, in Infant Girls

First-Trimester Urinary Bisphenol A Concentration in Relation to Anogenital Distance, an Androgen-Sensitive Measure of Reproductive Development, in Infant Girls

Neonatal weight loss and gain patterns in caesarean section born infants: integrative systematic review

The Impact of Intravenous Protocols During Labor on Maternal \ Newborn Outcomes

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