Is It Safe To Drink Coke During Pregnancy?

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Most women may be apprehensive about drinking coke during pregnancy because they are unsure of its safety. Coke is a carbonated drink with caffeine and sugar. It does not have much nutritional value.

Drinking coke might not be hazardous to health if you stick to consuming the recommended amount of caffeine. Also, the drink does not have any nutrition, and the caffeine present in coke becomes difficult to be digested by the fetus. Therefore, excess consumption of coke might lead to side effects.

Read the post to learn about the safety of consuming coke during pregnancy, the permitted dosage of caffeine for pregnant women, and the side effects of drinking excess coke.

What Is Coke And How Is It Made?

Coke is prepared by mixing water, sugar, caffeine, and carbon dioxide

Image: Shutterstock

Wikipedia defines Cola as a beverage that has been carbonated and flavored. Traditionally, the Cola constituted of caffeine from Kola Nut, cocaine from Cola leaves, and vanilla as the flavoring agent. However, now cocaine usage has been stopped, and even flavoring extends beyond the vanilla flavor. And that’s the reason you now see all varieties of drinks available in the market.

Preparation of Coke is pretty simple, the machines fill the clean bottle with water, and then sugar is added. The machine then mixes the sugar water with a secret formula [whose recipe, ingredients, and the proportion are known to very few companies] and is topped with some caramel coloring. Finally, carbon dioxide is added to the mixture, to make the drink fizzy and then bottled up (1).

Nutritional Value Of Coke

So Coke mainly consists of

Let’s look at the sugar and caffeine value of some of the common drinks (2):

Drink Name Sugar Content [g/100ml] Caffeine Content [mg]
Coca-Cola [Classic] 11.1 34.0
Pepsi [Classic] 11.4 37.5
Sprite 10.3 0.0
Mountain Dew 12.0 55.0

Is drinking coke during pregnancy Safe?

Drinking coke during pregnancy is safe if you limit caffeine consumption

Image: iStock

To answer it in one line, yes it is safe if you restrict the consumption of caffeine up to 300mg per day. But limiting does not guarantee that its side effects are now nil. Mostly caffeine, takes a bit longer in getting digested, and as pregnancy progresses, even the breaking down of caffeine slows down, exposing the fetus to ill effects of caffeine.

Drinking coke during pregnancy might not be a good option as it does not offer any nutritional value, and the calories which you keep on sipping are considered to be empty calories. And we all know, how important it for a pregnant woman to take a balanced and nutritious diet. So limiting the dose is crucial.

The Side Effects Of Exceeding The Permissible Limit Of Coke

Excess coke can result in miscarriage and insomnia

Image: Shutterstock

Caffeine present in the coke, which is present in a woman’s body in the indigestible form, reaches through the placenta, and and the baby absorbs it completely. Studies have shown that the body of a pregnant woman, caffeine is present up to 11 hours. But the fetus can retain it until 100 hours, for the simple reason that they are developing babies and don’t have necessary enzymes to detoxify and break down caffeine.

For the pregnant woman, if she is exceeding the daily measure of coke, it could result in:

  • Dilated pupils
  • Opening of bronchial tubes
  • Increase in heart rate
  • Higher blood pressure
  • Discharge of insulin into the blood stream from the liver
  • Tightened muscles
  • Higher metabolism
  • Could result in Miscarriage
  • Reduced Fertility
  • Diuretic in nature and makes our body lose water.
  • Insomnia

Also, for the fetus it has an adverse effect as it could lead to:

What Are The Sweeteners And Preservatives Added To Coke?

Most soft drinks come with artificial sugars

Image: iStock

Don’t be fooled by Zero sugar or diet coke labels which give the impression that they don’t have sugar. Most of the aerated soft drinks comes soft drinks come with artificial sugars. And studies have shown that these sweeteners, flavoring agents, preservatives are not advisable for a pregnant woman.

Some of the commonly used sweeteners are:

  • Aspartame (NutraSweet) – It is a safe sweetener, but you should consume it in a moderate quantity. In fact, studies have shown that a pregnant woman should avoid this sweetener as it could also cause depression or chronic pain.
  • Sucralose (Splenda) – This is just a modified version of table sugar and pretty much safe during pregnancy (1).
  • Saccharin (Sweet and Low) – This sweetener can cross the placenta and is considered to be safe for the baby but again you should be taking it in a moderate quantity.

Do You Wish To Get Away With Coke Cravings?

Replace coke with coconut water for a healthy pregnancy

Image: iStock

Pregnancy makes a woman crave many things, but she needs to know which things are safe to indulge in. It is not easy to kick the habit! But you need to remember you need to cut it down for the sake of your baby. So look out for these options as an alternative, and if you still feel the urge, sip it and keep it within safe limits. Drink it occasionally and not regularly.

  • Cut the caffeine slowly. Don’t just hash it.
  • Look for options which have no caffeine like Decaf Coffee.
  • Exercise, to fight against the withdrawal symptoms and keep yourself refreshed.
  • Drink lots of water and healthy fluids.

Food Items To Try Out:

  • Fresh fruit juice
  • Lime water
  • Lassi [sweet and salted]
  • Aam pana or raw mango water
  • Coconut water
  • Homemade smoothies

Frequently Asked Questions

1. Is the sugar in soda safe during pregnancy?

Over-consumption of sugar-laden soda may be unsafe as excessive sugar consumption is linked to gestational diabetes, pre-eclampsia, preterm labor, problems with metabolism, taste perception, and an increased risk of obesity in babies (3).

2. How many diet cokes can I drink when pregnant?

Research done in Canada has found that pregnant women who drank more artificially sweetened beverages gave birth to heavier babies than those who did not. Therefore, you may occasionally have a serving of diet coke. But it is best to skip artificially sweetened drinks during pregnancy (4).

3. What kind of soda can I drink during pregnancy?

You may try seltzer or carbonated water during pregnancy as these could help you with nausea. However, make sure you are not consuming it more than required.

Experts suggest that it is best to limit caffeine intake to 300 mg a day during pregnancy to avoid the risk of adverse effects. Hence, you may occasionally grab a glass of coke during pregnancy but not make it a part of your daily routine. Moreover, consuming higher amounts of caffeinated beverages could put you and your baby at risk of pregnancy and birth complications such as preeclampsia and preterm delivery. Nevertheless, it would be great to try out healthier alternatives for caffeine while pregnant.


MomJunction's articles are written after analyzing the research works of expert authors and institutions. Our references consist of resources established by authorities in their respective fields. You can learn more about the authenticity of the information we present in our editorial policy.
  1. The Secret Science of Soda.
  2. Caffeine Content Of Popular Drinks.
  3. Effects of consuming sugars and alternative sweeteners during pregnancy on maternal and child health: evidence for a secondhand sugar effect
  4. Why pregnant women should avoid artificially sweetened beverages
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