Birth is a Marathon and Ice Chips are Not a Meal

This post is for education ; it is not medical advice and not a substitute for your own provider's guidance. Your specific medical history and circumstances may change what is recommended for you, so always talk with your midwife or OB.

If you were running a marathon, no one would tell you, "Sure, you can jog for 18 hours, but you may have exactly three ice chips. Good luck."

Why were people told not to eat in labor in the first place?

The whole "no food in labor" rule comes from concerns about aspiration during general anesthesia. In the 1940's, Dr. Curtis Mendelson published a paper describing rare but serious cases where patients inhaled stomach contents into their lungs, causing a dangerous chemical pneumonia: Mendelson syndrome.

At that time, general anesthesia for birth was common, and fasting was seen as a way to keep the stomoach empty and lower that risk. But NOW, general anesthesia is rare; epidurals and spinals are the norm for cesareans. Modern studies show no clear benefits to restrict food and fluids in low-risk labors.

What are the professional guidelines now?

• ACOG (American College of Obstetricians and Gynecologists)

  • For people in labor without complications, current guidance supports "moderate amounts of clear liquids," like water, juice, electrolyte drinks, clear broths, and tea.

  • They still recommend avoiding solid food, mostly due to aspiration concerncs, even though the evidence for restriction is weak and under review.

    
    

• ASA (American Society of Anesthesiologists)

  • They encourage clear fluids in uncomplicated labors.

  • They recommend no solid food in active labor.

    
    

• Other Evidence to Consider

  • A Cochrane review of more than 3000 low-risk laboring people found no benefits or harms from restricting food and fluids compared with letting people eat and drink as they wanted.

  • Some research suggests that allowing a more general diet may shorten labor and improve satisfactions, without increasing cesareans or negative outcomes.

What are the benefits of eating and drinking during labor?

Especially in early labor and for long inductions, thoughtful oral intake can be beneficial.

• Maintain energy

  • Labor is athletic! You are contracting muscles over and over again for hours. Light, regular intake of carbohydrates can help with stamina and the ability to cope and move.

    
    

• Support blood sugar

  • Going many hours without food while doing hard physical work can cause shakiness, nausea, headache, or feeling weak.

  • For some people (especially those with diabetes), being able to take in carbs can be an important tool for blood sugar management.

• Reduce stress

  • People routinely state that being forced to fast while in labor felt punishing and dehumanizing.

  • Surveys show that most laboring people want to drink, and many also want to eat, especially in longer labors.

  • Feeling like a human and not a disembodied uterus matters.

What are the possible risks?

You need to be aware of the risks so you can make informed decisions for your own care.

• Aspiration

  • If someone needs an unplanned cesarean under general anesthesia, and their stomach is very full, there is a small risk of vomit or stomach contents getting into the lungs, which could cause serious lung injury.

  • It is important to note that the absolute risk of aspiration in modern obstetrics is extremely low - like 1 in hundreds of thousands to a million in low-risk patients. Most cesareans are with epidural or spinal, not general anesthesia, which lowers risk further.

• Higher risk considerations

  • likelihood of needing general anesthesia

  • significant obesity

  • uncontrolled diabetes

  • severe preeclampsia

  • high risk pregnancy complications

So what does this mean for you?

If you are low-risk and still at home, it is generally reasonable to eat and drink as your body allows, focusinf on light, easy-to-digest foods. Many people naturally do not want big meals during active labor, but early labors and long inductions are different.

Once you are admitted to the hospital, you can ask how their policies align with current ACOG and ASA guidelines about clear liquids in low-risk labor.

Remember that you have bodily autonomy and the ability to make decisions for yourself, after discussion with your medical providers. You absolutely get to weigh comfort and your personal risk tolerance. You could bring this up in a prenatal visit. Ask about their usual recommendations and any flexibility or specific considerations for you.

TL/DR:

The old rule of nothing by mouth came from a real, but now very rare, anesthesia risk. Modern research has not found clear benefits to routine restriction. ACOG and ASA support moderate clear fluid intake in uncomplicated labors. What you personally choose should be based on your health, your risk factors, and shared dialogue with your care team.

Download a Snacks for Labor Handout