DH= darling or dear husband
DD= darling daughter
DS= darling son
EWCM= egg white cervical mucous
LMP= Last menstrual period
m/s= morning sickness
m/c=miscarriage
u/s= ultrasound
bfn=big fat negative preg test
bfp=big fat positive preg test
cm=cervical mucous
ttc=trying to conceive
dpo=days past ovulation
af=ant flo (period)
I'm fairly new myself, thats the ones I know there's still a few I don't. It took me a while too.