Abbreviation Meaning here.

TTC (Trying to Conceive) / pregnancy 

2ww or TWW: two week wait (luteal phase, ​14 days after ovulation) 

​AF: Aunt Flo (menstruation, period) 

AH: assisted hatching 

ASYLUM: TTC asylum. Need to check in? 

bbt: basal body temperature 

BD: baby dance (sex) 

BDP: baby dancing partner 

BF: breastfeeding

BM: breast milk or bowel 

BFN: big fat negative (pregnancy test result) 

BFP: big fat positive (pregnancy test result) 

CB: cycle buddy (same cycle day as you!) 

CD: cycle day 

CL: corpus luteum 

CM: cervical mucus 

CP: cervical position 

DPO: days past ovulation 

DTD: doing the dance (BD, sex) 

DUST: alumnae sprinkle PG Dust~*~*~*~ on TTCers

EC: embryo cryo/freezing 

EDD: estimated due date 

EPO: evening primrose oil 

ER: egg retrieval 

ET: egg transfer (can be used as 5DPET, to mean 5 days past egg transfer) 

EWCM: egg-white cervical mucus 

hCG: human chorionic gonadotropin (detected in home pregnancy tests )

H&H: happy and healthy 

hpt: home pregnancy test 

HSG: hysterosalpingogram (X-ray test)

ICSI: intra-cytoplasmic sperm injection (microfertilization) 

IPP: Infertility Protection Project 

IUI: intrauterine insemination 

IVF: in vitro fertilization 

LH: luteinizing hormone (detected in ovulation predictor kits) 

LP: luteal phase, days between OV and AF 

MC: miscarriage

O or OV: ovulation 

opk: ovulation predictor kit 

OT or Train: obsession train. 

PG: pregnancy, pregnant 

PNV: prenatal vitamin

POAS: pee on a stick (home pregnancy test) 

RE: reproductive endocrinologist (doctor who specializes in fertility problems) 

ROBI: Robitussin or guaifenesin syrup (expectorant) used to thin cervical mucus 

SA: semen analysis 

SOD: sex on demand 

TR: tubal reversal 

TTC: trying to conceive 

VR: vasectomy reversal 

YI: yeast infection