Last update May 16, 2019



Safe substance and/or breastfeeding is the best option.

The recommended daily caloric intake during breastfeeding is 2,300 to 2,500 calories; in the case of twins, it reaches 2,600-3,000 calories (Ares 2016).
Slow weight loss (less than 1.5 to 2 kg per month) through a balanced diet of at least 1,800 calories, along with the practice of moderate aerobic exercise is considered safe for the mother and the infant, provided that the mother does not have malnutrition problems and breastfeeding is on demand (Ares 2016, Amorim 2013, Dewey 1998).

Prolactin levels increase in mothers who follow a hypocaloric diet and exercise, ensuring milk production (McCrory 1999).

Of the approximately 620 calories a breastfeeding mother needs to produce about 750 ml of milk, only 450 calories are obtained from the diet, the remaining 170 calories come from the mobilization of the reserves of subcutaneous fat and body tissues (Butte 2005, Butte 1984, Paul 1979).

In mothers who have a sufficient diet, most of the proteins in breastmilk come from those taken from the diet (Motil 1998).

The regulation of milk production depends mainly on the demand of the infant, being secondary age, dietary intake and maternal nutritional status (Lawrence 2016, p67), so that all mothers, except in extreme cases of malnutrition, produce milk in adequate quantity and quality (Ares 2016).

Despite insufficient maternal intake of nutrients, women with good nutritional status produce milk of adequate quantity and quality to maintain the growth and health of their children; malnourished mothers produce milk of good quality (there may be a slight decrease in protein, fat and calories), but in smaller volumes (Lawrence 2016, p94), so that, if the dietary intake is insufficient, there is a risk of exhausting the nutritional reserves and the health of the mother; diets of fewer than 1,500 calories are not recommended during breastfeeding (Ares 2016).

There is good quality evidence that exclusive breastfeeding helps to regain pre-pregnancy weight earlier than if breastfeeding is partial (mixed) or there is no breastfeeding, and that prolonged breastfeeding helps maintain that loss and as well as body fat loss (Schalla 2017, López 2016, Neville 2014, Sámano 2013, Hatsu 2008, Dewey 2004, 2001 and 1993, Kramer 1993).

Suggestions made at e-lactancia are done by APILAM team of health professionals, and are based on updated scientific publications. It is not intended to replace the relationship you have with your doctor but to compound it. The pharmaceutical industry contraindicates breastfeeding, mistakenly and without scientific reasons, in most of the drug data sheets.

Jose Maria Paricio, Founder & President of APILAM/e-Lactancia

Your contribution is essential for this service to continue to exist. We need the generosity of people like you who believe in the benefits of breastfeeding.

Thank you for helping to protect and promote breastfeeding.

José María Paricio, founder of e-lactancia.

Other names

Weightloss is also known as Hypocaloric Diet. Here it is a list of alternative known names::

Weightloss in other languages or writings:


Weightloss belongs to this group or family:


  1. Schalla SC, Witcomb GL, Haycraft E. Body Shape and Weight Loss as Motivators for Breastfeeding Initiation and Continuation. Int J Environ Res Public Health. 2017 Jul 11;14(7). pii: E754. Abstract Full text (link to original source)
  2. López-Olmedo N, Hernández-Cordero S, Neufeld LM, García-Guerra A, Mejía-Rodríguez F, Méndez Gómez-Humarán I. The Associations of Maternal Weight Change with Breastfeeding, Diet and Physical Activity During the Postpartum Period. Matern Child Health J. 2016 Feb;20(2):270-80. Abstract
  3. Lawrence RA, Lawrence RM. Breastfeeding. A guide for the medical profession. Eighth Edition. Philadelphia: Elsevier; 2016
  4. Ares Segura S, Arena Ansótegui J, Díaz-Gómez NM; en representación del Comité de Lactancia Materna de la Asociación Española de Pediatría. La importancia de la nutrición materna durante la lactancia, ¿necesitan las madres lactantes suplementos nutricionales? [The importance of maternal nutrition during breastfeeding: Do breastfeeding mothers need nutritional supplements?] An Pediatr (Barc). 2015 Abstract Full text (link to original source) Full text (in our servers)
  5. Neville CE, McKinley MC, Holmes VA, Spence D, Woodside JV. The relationship between breastfeeding and postpartum weight change--a systematic review and critical evaluation. Int J Obes (Lond). 2014 Apr;38(4):577-90. Abstract
  6. Amorim Adegboye AR, Linne YM. Diet or exercise, or both, for weight reduction in women after childbirth. Cochrane Database Syst Rev. 2013 Abstract Full text (link to original source) Full text (in our servers)
  7. Sámano R, Martínez-Rojano H, Godínez Martínez E, Sánchez Jiménez B, Villeda Rodríguez GP, Pérez Zamora J, Casanueva E. Effects of breastfeeding on weight loss and recovery of pregestational weight in adolescent and adult mothers. Food Nutr Bull. 2013 Jun;34(2):123-30. Abstract
  8. Hatsu IE, McDougald DM, Anderson AK. Effect of infant feeding on maternal body composition. Int Breastfeed J. 2008 Aug 6;3:18. Abstract Full text (link to original source)
  9. Butte NF, King JC. Energy requirements during pregnancy and lactation. Public Health Nutr. 2005 Abstract Full text (link to original source) Full text (in our servers)
  10. Dewey KG. Impact of breastfeeding on maternal nutritional status. Adv Exp Med Biol. 2004;554:91-100. Review. Abstract
  11. Dewey KG, Cohen RJ, Brown KH, Rivera LL. Effects of exclusive breastfeeding for four versus six months on maternal nutritional status and infant motor development: results of two randomized trials in Honduras. J Nutr. 2001 Feb;131(2):262-7. Abstract Full text (link to original source) Full text (in our servers)
  12. McCrory MA, Nommsen-Rivers LA, Molé PA, Lönnerdal B, Dewey KG. Randomized trial of the short-term effects of dieting compared with dieting plus aerobic exercise on lactation performance. Am J Clin Nutr. 1999 May;69(5):959-67. Abstract
  13. Dewey KG. Effects of maternal caloric restriction and exercise during lactation. J Nutr. 1998 Feb;128(2 Suppl):386S-389S. Abstract
  14. Motil KJ, Sheng HP, Kertz BL, Montandon CM, Ellis KJ. Lean body mass of well-nourished women is preserved during lactation. Am J Clin Nutr. 1998 Abstract Full text (link to original source) Full text (in our servers)
  15. Dewey KG, Heinig MJ, Nommsen LA. Maternal weight-loss patterns during prolonged lactation. Am J Clin Nutr. 1993 Aug;58(2):162-6. Abstract
  16. Kramer FM, Stunkard AJ, Marshall KA, McKinney S, Liebschutz J. Breast-feeding reduces maternal lower-body fat. J Am Diet Assoc. 1993 Apr;93(4):429-33. Abstract
  17. Butte NF, Garza C, Stuff JE, Smith EO, Nichols BL. Effect of maternal diet and body composition on lactational performance. Am J Clin Nutr. 1984 Abstract Full text (link to original source) Full text (in our servers)
  18. Paul AA, Muller EM, Whitehead RG. The quantitative effects of maternal dietary energy intake on pregnancy and lactation in rural Gambian women. Trans R Soc Trop Med Hyg. 1979 Abstract

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