+Safety for PreconceptionResearch shows inconsistent results inrelation to caffeine and fertility.A recent Danish study found that variouscaffeine containing drinks may affect fertilitydifferently.
+Coffee had no effectTea shortened the time to conceptionSoftdrinks lengthened the time toconception.This could be due to other lifestyle factors oftea drinkers vs soft drinkers.
+Cause for concern? There is no Acceptable Daily Limit for caffeine in Australia Doses above 200mg/day may contribute to Elevated Blood pressure Anxiety Insomnia Headaches Reduced iron absorption Low birth weight Miscarriage Less than 200mg per day is recommended for pregnancy, greater than600mg per day is likely to produce symptoms in most people.
+Cause for concern?Many people tolerate doses upto 600mg per day withoutproblems – individual toleranceis affected by regularity of intake,usual dose, body size, healthand genetic factors.
+Coffee and weight gainAs coffee consumption has increased and we have turned to milk basedvarieties in ever increasing cup sizes, our energy intake has increased alongwith our caffeine. Today’s Grande has over 4 times the calories of the instantversions of the 1990s.
+Sources - CoffeeDrink Caffeine1 mug instant coffee 100mg1 cup brewed coffee 100-350mgespresso 50-250mgA recent study of commercially availableAustralian coffees showed variation in thecaffeine content of an espresso from 50mgup to 214mg per serve.
+Sources - TeaDrink CaffeineBlack tea 40mgWhite tea 40mgGreen tea 30mgDecaffeinated tea 12mgHerbal tea 0mgTea creates calm alertness Caffeine content of teaCaffeine content is an estimateand varies based on strength.Some herbal teas may be harmfulduring pregnancy. Check withyour obstetrician.
+Tolerance & Dependence Anyone can build up toleranceto caffeine. This means it takesa larger dose to give you thesame effects you used to get ona smaller dose Dependence means that ittakes up a lot of your thoughts,emotions and activities. People who are dependent mayexperience withdrawal includingheadaches, tiredness andmood swings.How does it feel? What are they?
+SummaryThere is no firm evidence that caffeine influences fertilityIt is wise to limit caffeine intake during preconception in readiness for pregnancy.To stay within the limits, limit to 2 cups coffee or 4 cups tea of average strengthper day and avoid energy drinks.For further assistance on Fertility and Food, contact Amanda ClarkEmail Amanda ClarkVisit: www.greatideas.net.au or phone 07 5536 6400Great Ideas in Nutrition, Coolangatta, QLD. Available in person or via Skype.
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