Coffee could make your pregnancy risky. Coffee could make your pregnancy risky.
American Journal of Epidemiology, November 15, 2005 and Reuters Health

A Danish research study, found that fetal deaths among coffee drinkers were twice as likely among heavy coffee drinkers as pregnant women who did not drink According to Dr. Bodil Hammer Bech of the University of Aarhus and colleagues report, heavy coffee drinkers remained at 56 percent greater risk of fetal death,

Currently, Denmark has an official policy where they advise pregnant women to abstain from drinking more than 3 cups of coffee per day.

Studies were conducted on 88,482 pregnant women that enrolled in the Danish National Birth Cohort. The women were interviewed at approximately 16 weeks gestation as to their coffee intake, alcohol consumption and smoking. Among them there were 1,102 fetal deaths.

According to the Danish study, 55.4 percent reported drinking no coffee during pregnancy while 31.4 percent drank one-half to three cups daily. Thirteen percent drank three cups daily, while 3.4 percent drank eight or more cups daily.

Researchers found that those who drank one-half to three cups a day had a 3 percent increase in fetal death; those who consumed four to seven cups a day had a 33 percent increased risk; and those who drank eight or more cups had a 59 percent greater risk of fetal death. After 20 weeks of gestation it was stronger for fetal deaths.

Coffee does contain a number of chemical compounds that are not found in tea or cola.
Pregnant women who drink eight or more cups of coffee daily are also at risk for spontaneous abortion and stillbirth.