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Diet or exercise?
Pregnancy

Diet or exercise?

2 min readWeek 9
Key takeaways
2 min
  • Return to pre-pregnancy weight within six months to reduce long-term health risks including diabetes and heart disease.
  • Focus primarily on healthy diet changes as exercise alone without dietary modifications shows minimal weight loss results.
  • Combine diet with exercise for optimal cardiovascular health and muscle mass building, even though diet alone is equally effective for weight loss.
  • Continue breastfeeding confidently as healthy eating and exercise do not negatively impact breast milk quality or quantity.
  • Prioritize postpartum weight loss as a medical necessity rather than aesthetic goal to prevent future obesity and related complications.

Diet is more effective than exercise alone for postpartum weight loss. While combining diet and exercise provides the same weight loss results as diet alone, the combination offers additional cardiovascular benefits and helps build muscle mass after pregnancy.

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Diet or exercise?

Returning to prenatal weight and BMI is a medical, not aesthetic, issue. Prolonged maintenance of the weight gained during pregnancy can increase the risk of diabetes, heart disease, and high blood pressure. Women who return to prenatal levels within six months will, on average, be less likely to be overweight after 10 years. Therefore, researchers from different countries are studying various methods to help mothers get back in shape.

What mom needs

An analysis of 14 studies [1] showed that:

  • physical activity without a healthy diet does not give noticeable results
  • a healthy diet without exercise leads to weight loss
  • diet plus exercise is no more effective in terms of weight loss than diet alone

However, experts still recommend combining diet with exercise, because it strengthens the cardiovascular system (which is very important after such a serious and prolonged load as pregnancy). And also, it helps you build muscle mass.

What baby needs

Babies get everything they need from mother's milk. There is no evidence that a healthy diet and exercise affects its quality or quantity.


  1. Diet or exercise, or both, for weight reduction in women after childbirth. Amanda R. Amorim Adegboye, Yvonne M. Linne. Cochrane Database of Systematic Reviews, 2013. https://doi.org/10.1002/14651858.CD005627.pub3
Frequently asked questions

Aim to return to your pre-pregnancy weight within six months after delivery. Women who achieve this timeline are significantly less likely to be overweight 10 years later.

Diet is more effective than exercise alone for postpartum weight loss. However, combining both provides additional cardiovascular and muscle-building benefits beyond weight loss.

No, healthy diet and exercise do not negatively impact breast milk quality or quantity. Your baby will continue receiving all necessary nutrients through breastfeeding.

Maintaining pregnancy weight long-term increases risks of diabetes, heart disease, and high blood pressure. It's a medical concern, not just aesthetic.

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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Medically reviewed content

Reviewed by healthcare professionals · Updated September 5, 2024

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