Common Abbreviations for Pregnancy & Trying to Conceive

For many of you new to Pregnancy or Trying to Conceive (TTC), we thought it might be helpful to post some of the most commonly used acronyms used amongst the community.

2WW two week wait
AF “Aunt Flo” aka menstruation/period 
AP attachment parenting
ATM at the moment
Baby Dust good luck
BBs breasts
BBT basal body temperature 
BC because, or birth control, or before children 
BCPS birth control pills 
BD baby dance (sex) 
BF breastfeed, or boyfriend 
BFN big fat negative (pregnancy test) 
BFP big fat positive (pregnancy test) 
BIL brother-in-law 
BM breast milk, or bowel movement 
BMS baby making sex
BP birth plan, blood pressure
BTW by the way
Bump a nonsense reply to push the thread to the top of the topic list - bumping is considered to be spam on the forums 
BTDT been there, done that
CB cycle buddy
CD cycle day 
CF cervical fluid 
CIO cry it out 
Circ. circumcise 
CM cervical mucus 
CS cesarean section 
D&C dilation and curettage
DC daycare, dear child 
DD dear daughter 
DE donor eggs
DF dear fiancée 
DH dear husband 
DI donor insemination
DP dear partner 
DPO days past ovulation 
DS dear son 
DSD dear stepdaughter 
DSS dear stepson 
DTD do the deed 
DW dear wife 
Dx diagnosis
EB endometrial biopsy
EBF extended breastfeeding, exclusively breastfeeding 
EBM expressed breast milk 
EDD estimated due date, or expected date of delivery 
ET embryo transfer
EWCM egg white cervical mucus
FET frozen embryo transfer
FF formula feeding 
FIL father-in-law 
FMU first morning urine
FRER first response, early response (a brand of pregnancy test)
FT full time 
FTM first time mom 
FTR for the record 
FWIW for what it's worth 
FX fingers crossed
FYI for your information 
HPT home pregnancy test 
HTH hope this helps 
IABW    in a bad way
IC       incompetent cervix
IDK I don't know

IJS    i'm just saying
IF infertility
IMHO in my humble opinion 
IMO in my opinion 
IRL in real life 
ITA I totally agree 
IUI intrauterine insemination 
IUD intrauterine device
IVF in vitro fertilization 
KWIM know what I mean?
L&D labor and delivery 
LO little one 
LOL laughing out loud 
LMP last menstrual period OR last missed period
LP luteal phase 
MC miscarriage 
MIL mother-in-law 
ML maternity leave 
MM mother's milk 
MS morning sickness
MYOB mind your own business 
NMS not my style 
NMSAA not my style at all 
NP no problem, nurse practitioner
NTNP not trying, not preventing
O ovulation, orgasm
OB obstetrician
OB/GYN obstetrician/gynecologist
O'd ovulated 
OH other half
OMG oh my gosh, or oh my god 
OP original poster/original post
OPK ovulation predictor kit 
OT off topic 
OTC over the counter
PA physician's assistant
PCOS polycystic ovary syndrome
PG pregnant, or pregnancy 
PM previous/prior marriage
POAS pee on a stick (i.e. pregnancy test) 
POS positive
PP previous poster 
PPD postpartum depression 
PR previous/prior relationship
RE reproductive endocrinologist 
ROFL rolling on floor laughing 
SAHD stay-at-home dad 
SAHM stay-at-home mom 
SAHP stay-at-home parent 
SD sperm donor 
SIL sister-in-law 
SO significant other 
SMEP sperm meets egg plan
SMH shaking my head
SSR same sex relationship
TCOYF Taking Charge of Your Fertility, by Toni Weschler 
TIA thanks in advance 
TMI too much information 
TP top post, toliet paper
TTC trying to conceive 
TWW two week wait
TYIA thank you in advance
US ultrasound 
UTI urinary tract infection
VBAC vaginal birth after cesarean section 
WAH work at home 
WBC white blood cells
WFH work from home
WOH work out of the home
WTO waiting to ovulate


Please feel free to let us know if there are any abbreviations you feel are missing and need to be added to the list.  You can send a note to

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