2WW = 2 Week Wait (the period between embryo transfer/ovulation and pregnancy testing)
AF  = Aunt Flo (menstrual cycle)
BFN = Big Fat Negative  (negative pregnancy test)
BFP = Big Fat Positive (positive pregnancy test)
DE = Donor Egg
DET = Double Embryo Transfer
DFET = Donor Frozen Embryo Transfer
D/R = Down Regulation (the first stage of long protocol IVF)
DPT or DPO = Days Past Transfer or Days Past Ovulation.
EC = Egg Collection
ED = Egg Donor/Donation
ET = Embryo Transfer
FET = Frozen Embryo Transfer
FMU = First Morning Urine
FSH = Follicle Stimulating Hormone
HPT = Home Pregnancy Test.
IF = Intended Father
IM = Intended Mother
IP = Intended Parent
KED = Known Egg Donor
M/C = Miscarriage
OPK = Ovulation Predictor kit
OTD = Official Test Day
Pee stick = Home Pregnancy Test
PG = Pregnant
POAS = Pee On A Stick (Pregnancy Test)
PUPO = Pregnant Until Proven Otherwise (i.e. on the 2ww)
SET = Single Embryo Transfer
SA = Semen Analysis
SR = Surrogate (Previously SM)
SD = Sperm Donor
TTC = Trying To Conceive