Is it safe to drink coffee when you're pregnant?
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Drinking up to 1  cups of coffee ( less than 100 mg caffeine) per day is unlikely to harm the unborn fetus.

However, an analysis of several studies  concluded that there is a small increase in the risks for spontaneous abortion and low birthweight babies in pregnant women consuming >150 mg caffeine per day [1,4] .

More recent studies have concluded that excessive coffee consumption  may increase the risks for early pregnancy loss stillbirth (greater than 8 cups per day) [2, 3].


1. Fernandes O, et al. . Moderate to heavy caffeine consumption and relationship to spontaneous abortion and abnormal fetal growth: a meta-analysis. Reprod Toxicol 1998;12:435-44.PMID:9717693
2. Cnattingius S, et al. Caffeine intake and the risk of first-trimester spontaneous abortion. N Engl J Med. 2000 21;343:1839 45.PMID:11117975
3. Wisborg K,  et al. Maternal consumption of coffee during pregnancy and stillbirth and infant death in first year of life: prospective study. BMJ. 2003  22;326:420. PMID:12595379 4. CARE Study Group. Maternal caffeine intake during pregnancy and risk of fetal growth restriction: a large prospective observational study.BMJ. 2008 Nov 3;337:a2332. doi: 10.1136/bmj.a2332.PMID:18981029

Created: 11/2/2004
Update: 11/2/2004
Update: 11/2/2008


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