In a message dated 97-05-13 23:57:19 EDT, you write:

<< I have a mom who is 50 yrs old. and is ready to conceive her 2nd child
which
 will be through invitro.  Her first is just 2 and nurses several times a day
 still.  Her infertility docs. told her to wean since the PROLACTIN might
 interfere with getting pregnant. >>

Unless the reason this woman has been infertile in the past is an elevated
prolactin level which is usually treated with bromocriptine, there is no
problem with the PROLACTIN level which went down to probably normal at about
4 to 6 months.  (See Lawrence & Riordan/Auerbach).  The breastmilk production
long ago went from endo - to autocrine control.

Jan