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Whether you’re a FTM (First Time Mom), are TTC (trying to conceive) or are working on number three, chances are you’ve landed on a message board that needed to be decoded. These threads are full of mommy and family lingo broken down for quick typing. No matter your situation, if you stumble into a mommy board of any ind, you’ll likely find yourself in a virtual soup of acronyms.

After the baby is born, they don’t stop – now you add in acroyms for sleep methods, parenting methods, diapers, older children and so much more.

Decode them here:

AC – Assisted conception
AI – Artificial insemination
AIH – Artificial insemination with husband’s sperm
AIO – All-in-one
AP – Attachment parenting
ART – Assisted reproductive technology
BBT – Basal body temperature
BC – Birth control
BD – Baby dancing (sex for conception)
BF – Breastfeeding
BFN – Big fat negative (pregnancy test)
BW – Blood week (period)
CC – Controlled crying
CD – Cloth diaper
CIO – Cry it out
CM – Cervical mucus
CVSs – Chorionic villus sampling
DA – Dairy allergy
DD – Dear daughter
DF – Dear fiance
DH – Dear husband
DI – Donor insemination
DPO – Days past ovulation
DS – Dear son
DSD – Dear step daughter
DSS – Dear step son
DTD – Do the deed (sex)
DXP – Dear ex partner
EBF – Exclusively breastfeeding
EBM – Expressed breast milk
EDD – Estimated date of delivery (due date)
EN – Extended nursing
EP – Ectopic pregnancy
ER – Egg retrival
ET – Embryo transfer
FF – Formula feeding
FS – Food stamps
FTM – First time mom
GD – Gestational diabetes
GF – Gluten-free
HPT – Home pregnancy test
IUI – Intrauterine insemination
IVF – In vitro fertilization
LAM – Lactational amennorhea method
LO – Little one
LP – Luteal phase
MC – Miscarriage
MIL – Mother-in-law
MS – Morning sickness
NAK – Nursing at keyboard
NFP – Natural family planning
NIP – Nursing in public
NTNP – Not trying/not preventing
O – Ovulation
OH – Other half
OPK – Ovulation predictor test kit
OWT – Old wives tale
PG – Pregnant
POAS – Pee on a stick
POF – Premature ovarian failure
SAHM – Stay at home mom
SB – Still birth
SW – Starting weight
TTC – Trying to conceive
US – Ultrasound
VBAC – Vaginal birth after cesarean
WAHM – Work at home mom
WOHM – Work out of home mom
WM – Working mom

Did we miss one? Be sure to comment with your favorite pregnancy or family acronym below.