Bad news for pregnant women and coffee lovers, maternal caffeine intake may associate with an increased risk of pregnancy loss, a renowned institute study suggested
Coffee, becoming a popular and social beverage all over the world, particularly in the West, is a drink made from roast beans from the Coffea plant, native to tropical Africa and Madagascar.
Pregnancy loss is a natural death of an embryo or fetus before it is born, including spontaneous abortion, miscarriage, and stillbirth...
According to a joint study led by the National University of Singapore and the National University Health System, an additional intake of 1 cup of coffee in women who are regular coffee drinkers similar to 100 mg/d increment caffeine intake was associated with a 7% higher risk of pregnancy loss.
In a total of 130 456 participants and 3429 cases in fourteen included studies, researchers found that women with
1. No or very low caffeine intake, have a relative risk of pregnancy loss of 1.02
2. Moderate intake (150-349 mg/d) showed an increased relative risk of 1·16
3. High intake (350-699 mg/d) showed a relative risk of 1·40
4. Very high intake (≥ 700 mg/d) showed a relative risk of 1·72
The risks of pregnancy loss were increased linearly and correlatively to amounts of cups of coffee intake per day.
Furthermore, a case-control and cohort review study reported in English, the exposure to caffeine/coffee consumption during pregnancy, from selected 26 studies included (20 of caffeine and eight of coffee) suggested that the relative risk ratio of pregnancy loss due to caffeine consumption was 1.32
The study also found that the risk of pregnancy loss increased substantially to 19% for every increased caffeine intake of 150 mg/day and for every additional 2 cups of coffee intake, the risk of pregnancy loss increased by 8%.
Although, there are many implications associated with pregnancy loss such as the ages of women and men, greater body mass index,..... excessive coffee drinking may be one of the avoidable risk factors.
Taking it all together, there is no doubt that a higher intake of coffee during pregnancy induced a high risk of pregnancy loss but according to the statistic, North American women seldom drink more than 4 cups/day, so we may be in the safe zones.
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Author Biography
Kyle J. Norton (Scholar, Master of Nutrition, All right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published online, including worldwide health, ezine articles, article base, health blogs, self-growth, best before it's news, the karate GB daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as the international journal Pharma and Bioscience, ISSN 0975-6299.
Sources
(1) Maternal caffeine intake during pregnancy and risk of pregnancy loss: a categorical and dose-response meta-analysis of prospective studies by Chen LW1, Wu Y1, Neelakantan N1, Chong MF2, Pan A1, van Dam RM1.(PubMed)
(2) A meta-analysis of risk of pregnancy loss and caffeine and coffee consumption during pregnancy by Li J1, Zhao H2, Song JM3, Zhang J4, Tang YL5, Xin CM6.(PubMed)
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