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Caffeine
in Pregnancy
The Associated Press
Dec. 20
— Five cups of coffee per day more than doubles a pregnant
woman’s risk of a miscarriage, according to perhaps the
most rigorous study yet to focus on the possible link
between caffeine and miscarriage.
Some studies
suggest that modest caffeine intake of less than two average 9 oz.
cups of brewed coffee presents a slight risk to the embryo or
fetus, but others do not. However, there is stronger evidence that
larger daily amounts of caffeine during pregnancy may increase the
risks of miscarriage, preterm delivery and low birth weight, but
there is still no solid proof of this.
Why risk it? Avoid moderate amounts of caffeine during
pregnancy.
Caffeine’s Effects on
Fertility
According to Hatch EE, Bracken MB (1993). Association of
delayed conception with caffeine consumption. American Journal of
Epidemiology, 138(12), 1082-092,
some studies have found a link between high
levels of caffeine consumption by women and delayed conception.
Those who consumed more than 300 mg of caffeine per day were
twice as likely to have conception delayed for a year or more.
Another
study also linked high caffeine intake to delayed conception, but
only in women consuming 500 mg or more (about four cups of coffee)
per day.
-Bolumar F, Olsen J, Rebagliato M, Bisanti L, and the
European Study Group on Infertility and Subfecundity (1997).
Caffeine intake and delayed conception: a European multicenter
study on infertility and subfecundity. American Journal of
Epidemiology, 145(4), 324-334.
A detailed analysis of caffeine's reported effects on pregnancy
outcome can be found at motherisk.org.
Caffeine in Beverages
and Chocolate10
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ITEM
|
MILLIGRAMS
OF
CAFFEINE
|
|
AVERAGE
|
RANGE
|
|
COFFEE
(8-oz. cup)
Brewed, drip method
Brewed, percolator
Instant
|
184
128
104
|
96-288
64-272
48-192
|
|
TEA
(8-oz. cup)
Brewed, major U.S. brands
Brewed, imported brands
Instant
Iced (12-oz. Glass)
|
64
96
48
70
|
33-144
40-176
40-80
67-76
|
|
Caffeinated
soft drinks
(12 oz.)
|
36
|
30-60
|
|
Hot
cocoa (12 oz.)
|
6.4
|
3.2-32
|
|
Chocolate
milk beverage
(8 oz.)
|
5
|
2-7
|
|
Milk
chocolate (1 oz.)
|
6
|
1-15
|
|
Dark
chocolate, semi-sweet
(1 oz.)
|
20
|
5-35
|
|
Baker's
chocolate (1 oz.)
|
26
|
26
|
|
Chocolate-flavored
syrup
(1 oz.)
|
4
|
4
|
|
Source: U.S. FDA and
National Soft Drink Association
Restaurant
coffee has 350 mg in an 8 ounce cup
Gourmet type coffee has 175 mg in an 8 ounce cup
Brewed coffee has 115 mg in a 5 ounce cup
One single shot of Espresso has 100 mg
An 8 ounce Cappuccino has 100 mg
Instant coffee has 57 mg per 6 ounce cup
Decaffeinated coffee 5 mg in a 5 ounce cup
Brewed tea varies between 20 to 110 mg per 6 ounce cup
Iced Tea 12 ounces 70 mg
Instant Tea 30 mg in a 7 oz cup
A 12 ounce can of Coke has 30 to 56 mg
Diet Coke has 38 to 45 mg per can.
Sprite and 7-Up are caffeine free
For our precious Chocolate,10 to 50 mg for just 2 ounces
Cocoa has 4 mg per 6 ounce cup
Pain relievers, 1 tablet is 30 mg and up
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