2WW - 2 Week Wait. The time between ovulation and either the arrival of AF or (hopefully) a BFP
AF - Aunt Flo. The meanie.
BFP - Big Fat POSITIVE! Pregnant!
BFN - Big Fat Negative
HPT - Home Pregnancy Test
OPK - Ovulation Predictor Kit, used to detect hormonal surges that happen prior to ovulation
PIAC - Pee in a Cup (usually done to dip tests in instead of holding in urine stream)
POAS - Pee on a Stick (pregnancy test, OPK)
RE - Reproductive Endocrinologist. Specialist to help infertile couples conceive.
TTC - Trying To Conceive