Table 3.

Feeding regimen specifications.

Ages at examinationa	Feeding Regimen
	Breast milkb	Cow-milk formulac,d	Soy formulae
1–15	Breast milk exclusively	Cow-milk formula exclusively	Soy formula exclusively
16–31	Breast milk exclusively or Breast milk and Cow milk formula	Cow-milk formula exclusively	2/3 of lifetime on soy formula exclusively and continuously, including the two weeks prior to the exam

^aAges 1–15 are newborn up to 48 hours, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 and 14 weeks respectively. Ages 16–31 are 15, 16, 17, 18, 19, 20, 21, 22, 23 weeks and 6, 7, 8, 9, 10, 11 and 12 months respectively.

^bBreast-milk Restriction: A baby in the breast-milk category could not have had any soy foods in his/her lifetime.

^cCow-milk formula Restriction: A baby in the cow-milk formula category could not have had any soy foods in his/her lifetime.

^dCow-milk formula Exception: If a baby was breast-fed in the nursery, the baby must have gone home on cow-milk formula and have been on cow-milk formula exclusively ever since. Such a child could not participate until she/he had been fed exclusively cow-milk formula for at least 2 weeks.

^eSoy-formula Exception: If a baby was fed something other than soy formula in the nursery, the baby must have gone home on soy and been on soy exclusively ever since. Such a child could not participate until s/he had been fed exclusively soy formula for at least 2 weeks.