AF – Aunt Flow = period
BFN – Big Fat Negative [not pregnant]
BFP – Big Fat Positive [pregnant]
OPK – Ovulation Predictor Kits
DH – Dear Husband / Darling Husband
2WW – 2 weeks wait to start doing the pregnancy test
CD (number) – Cycle Day
BD - Baby Dance = Intercourse
DTD - Do the deed = Intercourse
BBT - Basal Body Temperature
POAS – Pee on a stick (pregnancy test)