AF = Aunt Flow = Your period.
IYKWIM = If you know what I mean?
IMO = In my opinion
DH = Dear Husband
DW = Dear Wife
DD = Dear Daughter
DS = Dear Son
TTC - Trying to conceive

There is a thread on here which explain all the acronyms. Hold on, I'll see if I can find it.

Try clicking here!

HTH (hope that helps)