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hi, all. i will jump in here again since reading a few posts since i last was here.
i see some concern about red raspberry leaf tea tht is uninfirmed. the FDA (and any organization that is not designed to be informed about herbal use) is not a good source of information about these issues...they post warnings regarding any substance about which they have not funded a study, which is appropriate. the mechanism of red raspberry leaf is not well understood by whomever posted that it is not OK in pregnancy. it is not a uterine stimulant. it does tone uterine muscle, which improves it's efficiency in labor, but labor must be present for this mechanism to work. red raspberry leaf is not capable of stimulating contraction in any amount. the receptors in the uterus that respond to contractile forces (and to oxytocin, the hormone that enables uterine contratility) are not present yet before term in normal pregnancy. the only amount studied in an organized manner has been 2-3 cups daily, and no evidence is present of any ill effects. i have used it daily since early pregnancy myself. several herbal prenatal vitamin compounds contain it as well. it is appropriate.
as far as the concern over green tea, the evidence is clear that there is a minor interference with folate metabolism when it is consumed in large amounts. this is a new study (11/04), so all the info is not in yet. it would be wise to limit until more is known, but it is clear that occasional tea does not produce this effect. taking an additional 400 mcg of folate will also resolve this problem. remember, folate is crucial for the proper closing and binding of the baby's neural tube, which is complete by 6 weeks gestation. after that, floate provides real but minimal roles in fetal development. red (rooibos) and white teas do contain the wonderful antioxidant benefitss of green tea, without the caffeine and the folate metabolism issue, so drink up! and remember to consult someone knowledgeable in herbal medicine to make such decisions, not necessarily the FDA or this board. searh the writings of susan weed, aviva jill romm, and links through the American College of Nurse Midwives at www.midwife.org.
haqppy tea drinking and healthy pregnancies to all!

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