Below is a list of the most common abbreviations that are used on the Twinstuff forums.

A
24/7 - 24 hours a day, 7 days a week
AAMOF - As A Matter Of Fact
AF - Aunt Flow, reference to menstrual cycle
AFK- Away From Keyboard
AFAIK - As Far As I Know
AFAIU - As Far As I Understand
AISI - As I See It
AKA - Also Known As
ASAP - As Soon As Possible
ATB - All The Best
ATTN - Attention

B
BC or B/C - Birth Control or Because
BF - Breastfeeding, Breastfed or Boyfriend
BFF - Best Friend
BIL - Brother In Law
BION - Believe It Or Not
BOL - Best Of Luck
BRB - Be Right Back
BTDT - Been There, Done That
BTW - By The Way
BWL - Bursting With Laughter

C
C&P - Copy & Paste
CIO - Cry It Out
CP- Cerebral Palsy
CTS- Consider The Source
CU - See you

D
DC -- Darling Child
DD - Dear/Darling Daughter
DF - Darling Fiance
DH - Dear/Darling/D*mn Husband
DIM - Do It Myself
DIY - Do It Yourself
DK - Don't Know
DOB - Date Of Birth
DPO -Days past ovulation
DPT-Days Post Transfer
DS - Dear/Darling Son
DSD - Darling Stepdaughter
DSS -Darling Stepson
DW - Dear/Darling/D*mn Wife

E
EBF - Exclusively Breastfeeding
EBM -Expressed Breastmilk
EDD -Estimated Due Date
EOD - End Of Discussion
ETA - Edited To Add

F
F2F- Face to Face
FAQ - Frequently Asked Question(s)
FET- Frozen Embryo Transfer
FF -Formula Feeding/fed
fFN - Fetal fibronectin
FIL - Father In Law
FWIW - For What It's Worth
FYI - For Your Information
F/U- Follow Up

G
GF - Girlfriend
GL - Good Luck
GMTA - Great Minds Think Alike

H
H&K - Hugs & Kisses
HAK - Hugs And Kisses
HAND - Have A Nice Day
HCG - Human Chorionic Gonadotropin
HP - Home Page
HPT - Home Pregnancy Test
HRT- Hormone Replacement Therapy
HTH - Hope This Helps

I
ICSI- Intracytoplasmic Sperm Injection
IME - In My Experience
IMHO - In My Humble/Honest Opinion
IMO - In My Opinion
IOU - I Owe You
IRL - In Real Life
ISO - In Search Of
ISP - Internet Service Provider
ITA - I Totally Agree
IUGR- Intra-uterine Growth Restriction
IUD- Intra-Uterine Device
IUI- Intra-Uterine Insemination
IVF- In Vitro Fertilization

J
J/K - Just Kidding
JK - Just Kidding
JMHO - Just My Humble/Honest Opinion
JMO - Just My Opinion
JSYK - Just So You Know

K
KWIM - Know What I Mean

L
L&D- Labor and Delivery
LALL - Live And Let Live
LEEP- Loop Electrosurgical Excision Procedure-used for removal of abnormal cells from cervix
LMAO -Laughing My Ass Off
LMBO - Laughing My Butt Off
LMK - Let Me Know
LO- Little One(s) LMP - Last Menstrual Period
LOL - Laughing Out Loud
LTM - Laughing To Myself
LTNS - Long Time No See

M
(m)- More
MC or M/C - Miscarriage
MIL - Mother In Law
MOF - Matter Of Fact
MYOB - Mind Your Own Business

N
NBD - No Big Deal
NICU- Neonatal Intensive Care Unit
NLT - No Later Than
NM - Never Mind or No Message
NOYB - None Of Your Business
NP - No Problem
NST - Non-Stress Test
NT - No Text
NTG - Not Too Good
NTR - Not Twin Related

O
O -Ovulate
OIC- Oh I see
OMG - Oh My Gosh/God
OP - Original Poster
OT –Off Topic
OTOH - On The Other Hand

P
PCOS- Polycystic Ovarian Syndrome
PG -Pregnant
PM - Private Message
POV - Point Of View
PP - Previous Poster
PPD- Post-Partum Depression
PTB - Powers That Be

R
RAOK - Random Acts of Kindness
RE – Regarding or Reproductive Endocrinologist
ROFL - Rolling On Floor Laughing
ROFLMBO - Rolling On Floor Laughing My Butt Off
ROFLMHO - Rolling On Floor Laughing My Head Off
ROFLOL - Rolling On the Floor Laughing Out Loud
ROTFLSHISMC - Rolling On The Floor Laughing So Hard I Spilt My Coffee
ROTM - Right On The Money

S
SAHD - Stay At Home Dad
SAHM - Stay At Home Mom
SAHP - Stay At Home Parent
SIL - Sister In Law
SO - Significant Other
SOL - Sh*t Out of Luck
SPAM – Junk E-Mail
STS - So To Speak

T
TBC - To Be Continued
TGIF - Thank God It's Friday
THX - Thanks
TIA - Thanks In Advance
TLC - Tender Loving Care
TMI -Too Much Information
TPTB- The Powers That Be
TROLL - To deliberately provoke an argument in a newsgroup, forum or chat room
TTC -Trying To Conceive
TTFN- Ta Ta For Now
TTTS- Twin-To-Twin Transfusion Syndrome
TTYL- Talk to you later
TWIMC - To Whom It May Concern
TY - Thank You
TYVM - Thank You Very Much

U
U/S -Ultrasound
URL- Web Page address
UTI- Urinary Tract Infection

V
VBAC -Vaginal Birth after C-Section

W
W/B- Welcome Back
W/O- Without
WAHD- Work at Home Dad
WAHM -Work at Home Mom
WDYT -What Do You Think
WOHM -Work Outside of Home Mom
WOM - Word Of Mouth
WTG - Way To Go!
WTH -What The Hell/Heck
WWYD- What Would You Do
WYSIWYG- What you see is what you get

Y
YKWIM - You Know What I Mean
YT - Yours Truly
YW- Your Welcome