What scientific research says

 

A breastfed baby gets the best start in life. Breastmilk (and colostrum during the first days after birth) contain all the antibodies a baby needs to immunize him against most of
the early childhood illnesses.

Breastfed babies suffer fewer incidences of diarrhoea, respiratory and middle ear infections and are less likely to develop allergies (see below). Breastmilk provides complete nourishment for an infant from birth up to about six months of age. Apart from its immunological benefits, it is always at the right temperature, needs no sterilization, costs nothing and almost every mother and baby pair can breastfeed successfully. Breastfeeding promotes emotional bonding between mother and child. There are also health benefits for the mother as indicated below.

Benefits to child health

  • Cancer (1) Children who are exclusively breastfed for at least 6 months are half as likely to develop cancer before the age of 15 than children not breastfed.

 

  • Diarrhoea (2) In southern Brazilian cities babies who receive no breastmilk are 14.2 times more likely to die from diarrhoea than breastfed babies.

 

  • Diabetes (3 ) Children who receive cow's milk formulas before the age of 2 months are twice as likely to develop diabetes.

 

  • Sudden infant death (4) Non-breastfed infants are almost 3 times more likely to be victims of sudden infant death than breastfed infants.

 

  • Malocclusion (crooked teeth) (5) Among breastfed children, the longer the duration of breastfeeding, the lower the incidence of malocclusion.

 

  • Urinary tract infection (6 ) From birth to 6 months bottle-fed infants are 5 times more likely than breastfed infants to contract urinary infections.

 

  • Ear infection (7) Infants aged from birth to 12 months who are exclusively breastfed have one half the number of ear infections than infants who are not breastfed.

 

  • Dental caries (8) Children who have been breastfed show fewer decayed deciduous teeth than children not breastfed.

 

  • Better vision (9) Both pre-term and full-term breastmilk-fed infants have better vision at 4 months and at 36 months than artificially fed infants.

 

  • Optimal intellectual development (10 ,11) Children breastfed for longer periods showed higher scores on mental ability tests.

 

  • Acute respiratory infection (ARI) (12) Bottle-fed infants have increase rates of ARI.

  • Multiple sclerosis (13) Multiple sclerosis victims are less likely to have been breastfed than healthy people.

 

Benefits to maternal health

  • Breast cancer (14) Breastfeeding for at least 3 months can reduce the risk of premenopausal breast cancer by one half.

 

  • Osteoporosis (15) The risk of hip fracture in women over 65 is reduced by half by having breastfed. Breastfeeding each child for 9 months reduces the risk to 1/4.

 

  • Birth spacing (16) As long as a mother full or nearly fully breastfeeds she is 98% protected from a pregnancy for the first 6 months and 96% after 6 months and as long as she has no return of menses.

 

  • Ovarian cancer (17) Breastfeeding for at least 2 months per child reduces the risk of epithelial ovarian cancer by 25%.

 

References

1. Davis MK et al. Infant feeding and childhood cancer, The Lancet, Aug. 13, 1988: 365-368.

2. Victora CG et al. Evidence for protection by breastfeeding against infant deaths from infectious diseases in Brazil, The Lancet, Aug. 7, 1987: 319-322.

3. Virtanen SM et al. Early introduction of dairy products associated with increased risk of IDDM in Finnish children, Diabetes, 42: 1786-1790, 1993.

4. Mitchel EA et al. results from the first year of the New Zealand cot death study, New Zealand Medical Journal, 104: 71-76, 1991.

5. Labbok MH and Hendershot GE. Does breastfeeding protect against malocclusion? An analysis of the 1981 child health supplement o the National Health Interview Survey, American Journal of Preventive Medicine, 3(4): 227-232, 1987.

6. Pisacane A et al. Breast-feeding and urinary tract infection, Journal of Pediatrics, 120(1): 87-89, 1992.

7. Duncan B et al. Exclusive breast-feeding for at least 4 months protects against otitis media, Pediatrics, 91(5): 867-872, 1993.

8. Buhl M et al. Epidemiologic findings concerning the incidence of caries in the deciduous dentition of infants, Deutsche Zahnärtliche Zeitschrift, 41: 1038-1042, 1986.

9. Birch E et al. Breast-feeding and optimal visual development, Journal of Ophthalmology and Strabismus, 30: 33-38, 1993.

10. Rogan WJ and Gladen BC. Breast-feeding and cognitive development, Early Human Development, 31: 181-193, 1993.

11. Lucas A et al. Breast milk and subsequent intelligence quotient in children born preterm, The Lancet, 339: 261-264, 1993.

12. Wright AL et al. British Medical Journal, 229: 946-9, 1989.

13. Pisacane A, et al. Breastfeeding and multiple sclerosis, British Medical Journal, 308: 1411-1412, 1994.

14. United Kingdom National Case-Control Study Group. Breastfeeding and risk of breast cancer in young women, British Medical Journal, 307:17-20, 1993.

15. Commings RG and Klineberg RJ. Breastfeeding and other reproductive factors and the risk of hip fracture in elderly women, International Journal of Epidemiology, 2(4): 684-691, 1993.

16. Kennedy KI and Visness CM. Contraceptive efficacy of lactational amenorrhoea, The Lancet, 339: 227-230, 1992.

17. Rosenblatt KA et al. Lactation and the risk of epithelial ovarian cancer, International Journal of Epidemiology, 22(2): 192-197, 1993.

 


Prepared for IBFAN by Geneva Infant Feeding Action, Post Box 157, 1211 Geneva 19, Switzerland


See also: Breastfeeding briefs