Can someone please explain to me what all these acronyms mean?

Question

There are so many on this site and I have only guessed TTC is trying to conceive

Answer

Bfn= big fat negative (test). Bfp= positive 
Frer= first response early result pregnancy test 
Fmu= first morning urine 
DH/DS/DD= dear husband, son daughter 
LO=little one

Answer

Which ones?
 Cm/cf= cirvical mucus / cirvical fluid
Af= aunt flow
Dpo= days passed ovulation 
Bd= baby dance (sex)

Can someone please explain to me what all these acronyms mean?

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