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PEDIATRICS Vol. 107 No. 3 March 2001, p. e38

ELECTRONIC ARTICLE:
Solids and Formula: Association With Pattern and Duration of Breastfeeding

Received May 5, 2000; accepted Oct 4, 2000.

Agneta Hörnell, Yngve Hofvander, and Elisabeth Kylberg

From the Section for International Maternal and Child Health, Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden.

Objectives.  To study changes in pattern and duration of breastfeeding associated with the introduction of solids and formula.

Study Design.  Descriptive longitudinal, prospective study.

Setting.  The participants were recruited from the maternity ward in the University Hospital in Uppsala, Sweden, between May 1989 and December 1992. A total of 15 189 infants were born during the period, 1 177 mother-infant pairs were found eligible for participation; 57% declined because of the perceived high workload.

Study Population.  Five hundred six mother-infant pairs.

Methods.  Daily recordings by the mothers on infant feeding, from the first week after delivery to the second menstruation postpartum or a new pregnancy; fortnightly home visits with structured interviews by a research assistant.

Results.  Introduction of solids was associated with no or minor changes in breastfeeding frequency and suckling duration. Breastfeeding frequency remained constant the first month after the introduction and then declined slowly, while daily suckling duration started to decline slowly when solids were introduced. Breastfeeding duration was not associated with infants' age at introduction of solids. In infants given formula, as soon as regular formula feeds started, the breastfeeding frequency and suckling duration declined swiftly. The younger an infant was at the start of regular formula feeds, the shorter the breastfeeding duration.

Conclusions.  Health care personnel and parents need to be aware that introduction of solids and introduction of formula can have very different consequences for breastfeeding. If the aim is to introduce other foods to breastfed infants under the protection of breast milk, it is important to realize that formula is also another food and needs to be treated as such.  Key words:  breastfeeding pattern, breastfeeding frequency, breastfeeding duration, weaning, solids, formula, follow-on formula.




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[Abstract] [PDF]

P3Rs:

Read all P3Rs

"Associations" are not "Cause and Effect" relationships.
Mary Fay
Pediatrics Online, 13 Apr 2001 [Full text]
Re: "Associations" are not "Cause and Effect" relationships.
A Hörnell, et al.
Pediatrics Online, 27 Jul 2001 [Full text]