belinda:

   from dr hale p. 356:

 in one study of 22 women 15 mg midazolam given orally each eveing produced
no detectable level on midazolam seven hours after dose, evenfive days
porpartum. midazola disappears rapidly from milk with undetectable levels
after 4 hours. wating 4 hours after dose would expose theinfant to minimal
midazolam.

                     patricia