TTC -TRYING TO CONCEIVE
AF-AUNT FLOW(PERIOD)
DPO-DAYS PAST OVULATION
SIL-SISTER-IN-LAW
MIL-MOTHER-IN-LAW
DS-DARLING/DEAR SON
DD-DARLING/DEAR DAUGHTER
DH-DARLING/DEAR HUSBAND
M/C-MISCARRIAGE
SAHM-STAY AT HOME MOM
LMP-LAST MENSTRAL PERIOD
JUST TO NAME A FEW!
TTC means Trying To Conceive. There's a list of abbreviations somewhere on this site. I'll see if I can find it for you :-)