"Growth spurts", or periods of increased nursing, commonly occur at
around 10 days to 3 weeks of age, 6 weeks of age, 3 months of age, and
6 months of age, although deviations from these time periods are normal
as well. During these times your baby may demand to feed more often
than he has previously, maybe as often as every hour. He may seem fussy
and less content after feedings than he has in days before. This
increase in the number of feedings is baby's way of increasing your
milk supply to meet his needs. This is not the time to supplement or adhere to a strict schedule as your breasts need the extra stimulation in order to "boost up" your supply.
Simply allow your baby the extra time at the breast that he needs. In a
few days when he has increased your supply, he will return to his
previous nursing pattern.
Written by Becky Flora, IBCLC
Last revision: December 31, 1998
Source: La Leche League's, "The Breastfeeding Answer Book" (1997) by Nancy Mohrbacher, IBCLC and Julie Stock, BA, IBCLC
More info at other sites:
"Cluster Feeding and Fussy Evenings"
"Sleeping Through the Night"
"Examining the Evidence for Cue Feeding Breastfed Infants"