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Do pregnant women need to eat for two?
Pregnancy

Do pregnant women need to eat for two?

2 min readWeek 13
Key takeaways
2 min
  • Focus on nutrient quality over quantity - you don't need to double calories during healthy pregnancy, especially in the first trimester.
  • Prioritize folic acid from leafy greens and supplements to support baby's brain and spinal cord development.
  • Include iron-rich foods like red meat, nuts, and legumes to ensure adequate oxygen supply to your growing baby.
  • Build a balanced diet with protein, whole grains, fruits, vegetables, and healthy fats like nuts and fatty fish.
  • Expect digestive changes like heartburn due to progesterone relaxing stomach muscles during pregnancy.

Pregnant women don't need to eat for two in terms of calories. During the first trimester, no additional calories are required. Instead, focus on nutrient-dense foods high in folic acid and iron to support healthy pregnancy and baby development.

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Do pregnant women need to eat for two?

The first trimester is ending and with it the critical period in which many of the baby’s vital organs and functions are formed. 

The mother will probably see her morning sickness disappear, but heartburn may start to become an issue. Progesterone relaxes tissues in the body, including the sphincter between the stomach and esophagus. As a result, gastric juices come up the esophagus and irritate its walls, creating a burning sensation and an unpleasant taste in the mouth [1].

As the baby grows, many expectant mothers believe they need to eat for two. That is not entirely true. During pregnancy, a woman does need to think about her baby when making food choices, favoring options higher in the nutrients her baby needs to grow and develop, however, she does not need to double her calories. When it comes to diet and pregnancy, it’s more about the quality of the food, not so much the quantity [2]. 

Studies show that during the first trimester, the baby does not need additional calories at all [3]. However, the mother’s diet should ideally be high in vitamins and minerals, especially folic acid and iron [3]. 

  • Folic acid contributes to the healthy development of the baby's brain and spinal cord. It is found in green leafy vegetables and whole grains [4]. Doctors also recommend taking a folic acid supplement [5]. 

  • Iron is necessary for the mother's blood to supply the baby with enough oxygen. The best source of iron is red meat, especially beef and beef liver. Nuts, legumes, and dried fruits are also rich in iron. It should be noted that iron in meat is better absorbed than the one found in cereals, fruits, berries, and vegetables. 

One of the most important things a woman can do during pregnancy is to have a balanced diet, rich in protein, whole grains, vegetables, fruits, and healthy fat sources such as nuts, fatty fish, and olive oil [2, 4].


Frequently asked questions

No, you don't need to double your calories during pregnancy. The focus should be on eating nutrient-dense foods rather than increasing quantity. During the first trimester, no additional calories are needed at all.

Folic acid and iron are crucial for healthy pregnancy. Folic acid supports baby's brain and spinal cord development, while iron ensures adequate oxygen supply to your growing baby.

Pregnancy hormones like progesterone relax the sphincter between your stomach and esophagus. This allows gastric juices to come up and irritate the esophagus, causing heartburn and an unpleasant taste.

Focus on a balanced diet with protein, whole grains, vegetables, fruits, and healthy fats. Include leafy greens for folic acid, red meat for iron, and sources like nuts, fatty fish, and olive oil.

Medical Disclaimer

This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or qualified health provider with any questions you may have regarding a medical condition.

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Reviewed by healthcare professionals · Updated August 9, 2025

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