I can understand the concern. Many eight month olds are reliant on human 
milk for a good proportion of their caloric as well as nutritional needs. 

I have seen very very few clients who can support a supply high enough for a 
nearly fully breastfed baby, after 8 to 12 weeks of pregnancy. Nearly all I have 
worked with have seen dramatic decrease in milk, no matter what they do. 
With an older child, solids can be used for nutrition and cals, (while some still 
nurse for comfort) with a younger baby, though, growth issues can ensue, if 
something is not done to substitute the cals and nutrition. 

Forgive me if I am wrong, but the last I read, about 70% of babies and 
toddlers will wean during the pregnancy, usually due to lack of milk, or differing 
composition, which can effect taste, not to mention increased hunger, if the 
baby is dependent on milk for most or all of his food needs. 

It is one of the reasons I strongly urge my clients to either make sure they are 
completely Ecologically breastfeeding, (something a lot of people don't do) or, 
especially if they are young or have a large proportion of body fat (issues 
which seem to increase estrogen and can cause premature resuming of 
Menses even during full lactation) to "be careful" about becoming pregnant, 
too soon after the birth of the baby they are currently nursing. 

A baby under a year (or even older) who relies on milk for his main nutrition 
and calories can certainly start to have nutritional problems, if Mom becomes 
pregnant and he is not ready for solids. More than a few need to use some 
type of supplement, especially with babies under a year. Many babies this age 
simply can't obtain the calories, nor the nutrients be the intake of solids. I 
have seen many many women whose milk supply virtually disappears during the 
second trimester, not to return until after the second baby is born. This can 
be devastating to a child who is nursing for nearly all his nutritional and caloric 
needs. 

Mary Jozwiak IBCLC, RLC, LLLL
Private Practice 

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