Adherence to the Caffeine Intake Guideline during Pregnancy and Birth Outcomes: A Prospective Cohort Study

Peacock, Amy; Hutchinson, Delyse; Wilson, Judy; McCormack, Clare; Bruno, Raimondo; Olsson, Craig A.; Allsop, Steve; Elliott, Elizabeth J; Burns, Lucinda; Mattick, Richard P.

doi:10.3390/nu10030319

Cited by 23 publications

(37 citation statements)

References 39 publications

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“…Eight of these advised specific caffeine limits, which ranged from 200 to 300 mg/day. Small epidemiological studies report that over 60% of women drink caffeine-containing beverages during pregnancy, but total amounts are generally below advised limits [ 23 , 73 , 74 , 75 , 76 , 77 ]. For adults, Denmark, U.K., Portugal, Canada, and USA advise to limit caffeine intake to 300 or 400 mg/day.…”

Section: Discussionmentioning

confidence: 99%

Caffeine in the Diet: Country-Level Consumption and Guidelines

2018

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Coffee, tea, caffeinated soda, and energy drinks are important sources of caffeine in the diet but each present with other unique nutritional properties. We review how our increased knowledge and concern with regard to caffeine in the diet and its impact on human health has been translated into food-based dietary guidelines (FBDG). Using the Food and Agriculture Organization list of 90 countries with FBDG as a starting point, we found reference to caffeine or caffeine-containing beverages (CCB) in 81 FBDG and CCB consumption data (volume sales) for 56 of these countries. Tea and soda are the leading CCB sold in African and Asian/Pacific countries while coffee and soda are preferred in Europe, North America, Latin America, and the Caribbean. Key themes observed across FBDG include (i) caffeine-intake upper limits to avoid risks, (ii) CCB as replacements for plain water, (iii) CCB as added-sugar sources, and (iv) health benefits of CCB consumption. In summary, FBDG provide an unfavorable view of CCB by noting their potential adverse/unknown effects on special populations and their high sugar content, as well as their diuretic, psycho-stimulating, and nutrient inhibitory properties. Few FBDG balanced these messages with recent data supporting potential benefits of specific beverage types.

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Section: Discussionmentioning

confidence: 99%

Caffeine in the Diet: Country-Level Consumption and Guidelines

2018

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“…To identify sleep problems, items about whether women had (1) lost much sleep over worry, and (2) had difficulty staying asleep, were also combined. Women were further grouped according to whether they had smoked tobacco cigarettes at any stage during pregnancy or the three months before, drank alcohol in pregnancy or in the three months before, consumed > 200 mg/day of caffeine [39], and had taken any dietary supplements such as vitamins or iron tablets in the past month (information regarding specific supplements was unavailable). Maternal weight (at 10-12 weeks gestation) was abstracted from antenatal medical records and combined with height measured at recruitment to derive early-pregnancy body mass index (BMI, kg/m 2 ).…”

Section: Covariatesmentioning

confidence: 99%

Associations of Pregnancy Physical Activity with Maternal Cardiometabolic Health, Neonatal Delivery Outcomes and Body Composition in a Biethnic Cohort of 7305 Mother–Child Pairs: The Born in Bradford Study

et al. 2019

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Objective Physical activity is advocated for a range of benefits to the uncomplicated pregnancy. We investigated associations of mid-pregnancy physical activity with maternal and neonatal health in white British and Pakistani-origin women from a deprived urban setting. Methods The study was performed in 6921 pregnant women (53% Pakistani-origin) who contributed data for 7305 singleton births. At 26-28 weeks gestation, women were grouped into four activity levels (inactive/somewhat active/moderately active/ active) based on their self-reported physical activity. Linear regression with robust standard errors was used to calculate adjusted mean differences in health markers between the four groups of physical activity (reference group: inactive). Results Three-quarters (74%) of Pakistani-origin women and 39% of white British women were inactive. Trend-tests revealed that more active white British women tended to be less adipose, had lower fasting and postload glucose levels, lower triglyceride concentrations, and their babies were less adipose (smaller triceps and subscapular skinfolds) than less active white British women. Somewhat active Pakistani-origin women exhibited lower triglyceride concentrations and systolic blood pressure, higher high-density lipoprotein cholesterol levels, and their babies were less adipose (smaller mid-upper arm and abdominal circumferences; lower cord-blood leptin concentration) compared to inactive Pakistani-origin women. No associations were observed for gestational age or birth weight. Conclusions Physical activity performed mid-pregnancy was beneficially associated with maternal cardiometabolic health and neonatal adiposity, without influencing gestational age or birth weight. Associations were dose-dependent in white British women, and even a small amount of mid-pregnancy physical activity appeared to benefit some health markers in Pakistani-origin women.

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“…[94][95][96][97] Some now use the term, 'pregnancy awareness.' [98] These inferences are supported by studies of placental synthesis of hormones. A healthy implantation of the placenta allows the placenta to grow, cover a wide area of the uterus, and synthesize hormones needed for growth of the placenta and the fetus.…”

Section: Coffee Consumption Changes During Early Pregnancymentioning

confidence: 89%

Biases Inherent in Studies of Coffee Consumption in Early Pregnancy and the Risks of Subsequent Events

Leviton

2018

Preprint

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Consumption of coffee by women early in their pregnancy has been viewed as potentially increasing the risk of miscarriage, low birth weight, and childhood leukemias. Many of these reports of epidemiologic studies have not acknowledged the potential biases inherent in studying the relationship between early-pregnancy-coffee consumption and subsequent events. I discuss five of these biases, recall bias, misclassification, residual confounding, reverse causation, and publication bias. Each might account for claims that attribute adversities to early-pregnancy-coffee consumption. To what extent these biases can be avoided remains to be determined. At a minimum, they need to be acknowledged wherever they might account for what is reported.

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Adherence to the Caffeine Intake Guideline during Pregnancy and Birth Outcomes: A Prospective Cohort Study

Cited by 23 publications

References 39 publications

Caffeine in the Diet: Country-Level Consumption and Guidelines

Caffeine in the Diet: Country-Level Consumption and Guidelines

Associations of Pregnancy Physical Activity with Maternal Cardiometabolic Health, Neonatal Delivery Outcomes and Body Composition in a Biethnic Cohort of 7305 Mother–Child Pairs: The Born in Bradford Study

Biases Inherent in Studies of Coffee Consumption in Early Pregnancy and the Risks of Subsequent Events

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