Lingo

A

AF - Aunt Flow, menstruation
ALI - Adoption, Loss, Infertility

B

BBT - Basal Body Temperature, used for determining ovulation

BD - Baby Dancing, think you can figure this one out

BFN - Big Fat Negative, negative pregnancy test

BFP - Big Fat Positive, positive pregnancy test

C 

CD - Cycle Day, counting from first day of menstrual bleeding
CHs - Crosshairs, the lines on a chart which indicate ovulation day and coverline

CM - Cervical Mucus
CTP - countdowntopregnancy.com 

D

DH - Dear Husband
DPO - Days Past Ovulation

E

Endo - Endometriosis
EWCM - Egg White Cervical Mucus, the most fertile CM

I

IR - Insulin Resistance, a symptom of PCOS

J

JM - Just Mommies, a message board for moms, moms-to-be, and wannabe moms

M

MA - Medical Assistance, such as fertility drugs, IUI, IVF, etc.
Met - Metformin, a medication prescribed for IR

N

NTNP - Not Trying Not Preventing

O

O - Ovulation
OPK - Ovulation Predictor Kit

P

PCOS - Polycystic Ovarian Syndrome

R

RPL - Recurrent Pregnancy Loss

T

TTC - Trying to Conceive
TWW - Two Week Wait, the time between ovulation and menstruation (or a BFP)