In response to the post about if there are any references to percentages of
self-weaners during pregnancy, there is an excellent reference in the latest
(6th) edition of La Leche League's THE WOMANLY ART OF BREASTFEEDING, page 253:

"In a study of 503 La Leche League members who became pregnant while still
nursing, researchers found that 69% of their babies weaned at some time
during the pregnancy.  Of, course, there was no way to know how many of these
little ones would have weaned if their mothers had not been pregnant."

This latest edition of THE WOMANLY ART OF BREASTFEEDING included much new
information, including this statement.  What is also nice is that the
professional references are also included in this new edition.  For this
research see page 439,
under "Continuing to nurse when mother is pregnant" :

Moscone, S. and Moore, J. Breastfeeding during pregnancy. J Hum Lact 1993;
    9 (2):83-88.

Newton, N. and Theotokatos, M.  Breastfeeding during pregnancy in 503 women:
does a psychobiological weaning mechanism exist in humans? Emotion and
Reproduction 1979; 20B:845-49.

Katy Lebbing, IBCLC
Villa Park, IL  60181

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