Sometimes it seems like we are speaking in some sort of code here on the internet. I would think a sentace like "After using FSH, I noticed my BBT was up and I got a positive OPT suggesting it was time for BMS", would be pretty intimidating for a newbie. 
Here's a list of translations right out of The Conception Chronicles by Debano, Menzel, Sutphen. Please feel free to add to the list.
2ww = Two week wait after ovulation
AF = Aunt Flo (flow) A.K.A., your period
AI = Artificial Insemination
AO = Anovulation (Someone tell me what this is, please)
ART = Assisted Reproductive Technology
ASA = Anti-Sperm Antibody
BB = Bulletin Board
BBT = Basal Body Temperature
BCP = Birth Control Pills
BD = Baby Dance, (Sex)
BFN = Big Fat Negative (pregnancy test result)
BFP = Big Fat Positive (pregnancy test result)
BMS = Baby-Making Sex
B/W = Bloodwork
CD = Cycle day
CM = Cervical Mucus
DE = Donor Eggs
DI = Donor Insemination
DPO = Days Post-Ovulation
DPR = Days Post-Retrieval (IVF)
DPT = Days Post-Transfer (IVF)
DP3DT = Days Post 3 day Transfer
DP5DT = Days Post 5 day Transfer
Dx = Diagnosis
E2 = Estradiol (Estrogen)
EPT = Early Pregnancy Test
ET = Embryo Transfer (IVF)
FET = Frozen Embryo Transfer
FSH = Follicle Stimulating Hormone
FV = Fertile vibes
HPT = Home Pregnancy Test
IF = Infertility
IUI = Intrauterine Insemination
IVF = In Vitro Fertilization
LAP = Laparoscopy
LH = Luteinizing Hormone
LP = Luteal Phase
LPD = Luteal Phase Defect
MC or m/c = Miscarriage
O or OV = Ovulation
OPT = Ovulation Predictor Test
OTC = Over the Counter
PCOS = Polycystic Ovary Syndrome
PCT = Postcoital Test
PG = Pregnant
PI = Primary Infertility
RE = Reproductive Endocrinologist
SA = Semen Analysis
SI = Secondary Infertility
TMI = Too much information!
TTC = Trying to Conceive
UR = Urologist
US or u/s = Ultrasound
