2WW – 2-Week Wait, aka TWW
AF – Aunt Flo (menstruation)
AFAIK – As Far As I Know
AH, AZH – Assisted Hatching
AHI – At-Home Insemination
AI – Artificial Insemination
AIH – Artificial Insemination from Husband
AO – Anovulation
AOA, AVA – Anti-ovarian Antibody
ART – Assisted Reproductive Technology
AWOL – A Woman On Lupron
BA – Baby Aspirin
BBT – Basal Body Temperature
BCP – Birth Control Pills
BD – Baby Dance (sex)
BF – Breast Feeding or Boy Friend
BFN – Big Fat Negative
BFP – Big Fat Positive
BIL – Brother in law
BM – BridesMaid or Banquet Manager or Best Man or Bowel Movement 
BoK – Bouquet
BP – Bridal Party/ Bachelor(ette) Party
BTDT – Been There Done That
BTW – By The Way
BUMP – Bring Up My Post; brings a post to top of boards
C# – Cycle Number
CB – Cycle Buddy
CD – Cycle Day
CF – Cervical Fluid
CM – Cervical Mucus
CNM – Certified Nurse Midwife
CP – Cervical Position
CP – Centerpiece
D&C – Dilation & Curettage
D&E – Dilation & Evacuation
DD – Darling daughter
DH – Darling/Dear/Dumb Husband
DP – Darling Partner
DPC – Days Since Last Clomid pill was taken
DPO – Days Post-Ovulation
DPR – Days Post-Retrieval
DPT – Days Post-Transfer
DS – Darling Son
DW – Dear Wife
Dx – Diagnosis
E2 – Estradiol
EAL – EEK Another Lizard
EB, EMB – Endometrial Biopsy
EDD – Estimated Due Date
ENDO – Endometriosis
EPO – Evening Primrose Oil
EPT – Early Pregnancy Test
ET – Embryo Transfer
ETA – Edited To Add
ETS – Edited To Say
EW, EWCM – Eggwhite Cervical Mucus
FBIL – Future Brother In Law
FET – Frozen Embryo Transfer
FFIL – Future Father In Law
FG – Flower Girl
FH – Future Husband
FHR – Fetal Heart Rate
FI – Fiance
FIL – Father in law
FM – Forum Mail
FMIL – Future Mother In Law
FOB – Father Of Bride
FOG – Father Of Groom
FP – Follicular Phase
FSH – Follicle Stimulating Hormone
FSIL – Future Sister In Law
FTTA – Fertile Thoughts To All
FUR – False Unicorn Root
FV – Fertile Vibes
FW – Future Wife
FYI – For Your Information
GIFT – Gamete Intra-Fallopian Transfer
GM – GroomsMen
GMB – Good Morning Brides
GNB – Good Night Brides
GnRH – Gonadotropin Releasing Hormone
GP – General Practitioner
GTG – Get ToGether
HCG, HCG – Human Chorionic Gonadotropin
HMG, HMG – Human Menopausal Gonadotropin
HPT – Home Pregnancy Test
HRT – Hormone Replacement Therapy
HSC – Hysteroscopy
HSG – Hysterosalpingogram
HTH – Hope this helps
ICI – Intra-cervical Insemination
ICSI – Intra-cytoplasmic Sperm Injection
IF – Infertility
IMHO – In My Honest/Humble Opinion
IMO – In My Opinion
IRL – In Real Life
ITI – Intra-tubal Insemination
IUI – Intra-uterine Insemination
IVF – In Vitro Fertilization
J/K – Just Kidding
JMO – Just My Opinion
JOTD – Joke Of The Day
KWIM – Know What I Mean
LAP – Laparoscopy
LH – Luteinizing Hormone
LIW – LIWeddings.com
LMAO – Laughing My A$$ Off
LMP – Last Menstrual Period (start date)
LO – Love Olympics (sex)
LOL – Laugh/Laughing Out Loud
LP – Luteal Phase
LPD – Luteal Phase Defect
LSP – Low Sperm Count
LTBM – Living Together Before Marriage
LUF, LUFS – Luteinized Unruptured Follicle Syndrome
MC, M/C – Miscarriage
MF – Male Factor
MIFT – Micro Injection Fallopian Transfer
MIL – Mother in law
MOB – Mother Of Bride
MOG – Mother Of Groom
MOH – Maid/Matron Of Honor
NFT – No Further Text
NM – No Message or Never Mind
NOYB – None Of Your Business
NT – No Text
NWR – Not Wedding Related
NYCW – NYCityWeddings.com
O, OV – Ovulation
OB – Obstetrician
OB/GYN – Obstetrician/Gynecologist
OC – Oral Contraceptives
OD – Ovulatory Dysfunction
OMG – Oh My Goodness/Gosh/God
OOT – Out Of Town (guests)
OPT – Ovulation Predictor Test
OTC – Over The Counter
PCO – Polycystic Ovaries
PCOD – Polycystic Ovary Disease
PCOS – Polycystic Ovary Syndrome
PCP – Primary Care Physician
PCT – Post Coital Test
PDAs – Public Displays of Affection
PG – Pregnant
PID – Pelvic Inflammatory Disease
PIMP – Peeing In My Pants
PITA – Pain In The Arse
PMS – Pre-menstrual Syndrome
PUI – Posting Under The Influence
PWI – Posting While Intoxicated
QOTA – Quote Of The Afternoon
QOTD – Quote Of The Day or Question Of The Day
R-FSH, R-h – Recombinant Human Follicle Stimulating Hormone
RB – Ring Bearer
RD – Rehersal Dinner
RE – Reproductive Endocrinologist
RI – Reproductive Immunologist
ROTFL – Rolling On The Floor Laughing
Rx – Prescription
SA – Semen Analysis
SAHM – Stay At Home Mom
SHG, SonoH – Sonohysterogram
SIL – Sister in law
SO – Significant Other
STD – Save The Dates
STD – Sexually Transmitted Disease
TGFD – Thank God For Discharge (if you really need to know ask nickipa)
TIA – Thanks In Advance
TMI – Too Much Information
TR – Tubal Reversal
TTC – Trying to Conceive
TTYL – Talk To You Later
Tx – Treatment
TY – Thank You
UR – Urologist
US, u/s – Ultrasound
UTI – Urinary Tract Infection
V – Vasectomy
VR – Vasectomy Reversal
WNL – Within Normal Limits
ZIFT – Zygote Intra-fallopian Transfer