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How long does Caffeine stay in your system?

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AUSSIEMUNECA
Posts: 1492
3/23/06 2:38 P

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Sorry to disagree, but it's medically incorrect to say that a foetus never gets rid of caffeine from their system and I would like to put the correct information out there. A fetus does excrete caffeine eventually although it takes far longer than the process in the woman (can be 40 hours or more). The guideline is to stick to less than 300mg of caffeine per day.

Also, while I know that this is an old post that has been resurrected I thought I'd throw in another interesting fact relevant to us now... during this last trimester our body takes longer to process and eliminate caffeine from our blood than during any other stage of pregnancy.




Banjo - April 2006
Matilda - September 2007
Kelly - January 2009

OHBABY2006
Posts: 81
3/23/06 2:03 P

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Our bodies will get rid of it sooner, but the baby's body never gets rid of it...it is something which accumulates.also, if you get a coffee buzz, the baby feels double what you do since they are more sinsitive to this drug.


Matthew James Macabee
A cute little thing:)

AUSSIEMUNECA
Posts: 1492
9/27/05 9:46 A

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The half life of caffeine (amount of time it takes to flush out half of the original amount consumed) varies from person to person depending on their metabolic rate (rate that the liver breaks down the caffeine and other substances for them to be excreted from the body in urine)and also various factors eg, pregnancy, oral contraception, liver disease, smoker etc. Basically the caffeine will have an effect on the body as long as it remains there. The caffeine molecules are absorbed through the stomach and small intestine lining into the bloodstream. From here they travel to the liver to be metabloised and excreted in urine mostly but also in semen, saliva, breast milk etc. For the average pregnant woman the average half life of caffeine is 18 to 20 hours. So, if you drink a caffeine based drink at 10am and it has 30mg of caffeine in it, at 4-6am (18-20hrs later) you will have approx. 15mg of caffeine in your system. It takes a long time to flush caffeine out of the pregnant women's body. Sorry if that was too medical-science based. Hope I helped to answer your Q but.


Banjo - April 2006
Matilda - September 2007
Kelly - January 2009

DECOSTE45
Posts: 948
9/27/05 9:45 A

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Sorry, I can't answer your question, but I am sure someone knows the answer.
Hope you are feeling better this morning!


Mitchell DeCoste was born May 30, 2007 weighing 8pounds and 5oz and was 20.5" long.
He is perfect!!


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