AF = Aunt Flo (menstruation)
AH, AZH = Assisted Hatching
AHI = At-home Insemination
AI = Artificial Insemination
ART = Assisted Reproductive Technology
ASA = Anti-sperm Antibody
ASRM = American Society of Reproductive Medicine

BBT = Basal Body Temperature
BCP = Birth Control Pills
BD = Baby/Bedroom Dance (sex)
BW, b/w = Bloodwork

CCCT, CCT = Clomiphene Citrate Challenge Test (Clomid Challenge Test)
CD = Cycle Day
CF = Cervical Fluid
CM = Cervical Mucus
CNM = Certified Nurse Midwife
COH = Controlled Ovarian Hyperstimulation
CP = Cervical Position

D&C = Dilation & Curettage
D&E = Dilation & Evacuation
DE = Donor Eggs
DES = Diethylstilbestrol (a synthetic estrogen)
DI = Donor Insemination
DPO = Days Post-Ovulation
Dx = Diagnosis

E2 = Estradiol
EB, EMB = Endometrial Biopsy
EDD = Estimated Due Date
ENDO = Endometriosis
EPO = Evening Primrose Oil
EPT = Early Pregnancy Test
ET = Embryo Transfer
EW, EWCM = Eggwhite Cervical Mucus

FBG = Fasting Blood Glucose
FHR = Fetal Heart Rate
FP = Follicular Phase
FSH = Follicle Stimulating Hormone
FTTA = Fertile Thoughts To All

GD = Gestational Diabetes
GIFT = Gamete Intra-fallopian Transfer
GnRH = Gonadotropin Releasing Hormone
GP = General Practitioner
GTT = Glucose Tolerance Test

hCG, HCG = Human Chorionic Gonadotropin
HCP = Health Care Practitioner
HEPA = Hamster Egg Penetration Assay
hMG, HMG = Human Menopausal Gonadotropin
HPT = Home Pregnancy Test
HSC = Hysteroscopy
HSG = Hysterosalpingogram

ICI = Intra-cervical Insemination
ICSI = Intra-cytoplasmic Sperm Injection
IF = Infertility
IM = Intra-muscular (WRT injections)
INCIID = International Council on Infertility Information Dissemination
IR = Insulin Resistant
ITI = Intra-tubal Insemination
IUGR = Intra-uterine Growth Retardation
IUI = Intra-uterine Insemination
IVC = Intra-vaginal Culture
IVF = In Vitro Fertilization

LAP = Laparoscopy
LH = Luteinizing Hormone
LMP = Last Menstrual Period (start date)
LO = Love Olympics (sex)
LP = Luteal Phase
LPD = Luteal Phase Defect

MC, m/c, misc. = Miscarriage

NP = Nurse Practitioner
NSA = Non-surgical Sperm Aspiration

O, OV = Ovulation
OB = Obstetrician
OB/GYN = Obstetrician/Gynecologist
OHSS = Ovarian Hyperstimulation Syndrome
ONNA = Oh No, Not Again
OPK = Ovulation Predictor Kit
OTC = Over The Counter
OPT = Ovulation Predictor Test

PA = Physician's Assistant
PCO, PCOD = Polycystic Ovary Disease
PCOS = Polycystic Ovarian Syndrome
PCP = Primary Care Physician
PCT = Post Coital Test
PG = Pregnant
PI = Primary Infertility
PID = Pelvic Inflammatory Disease
PMS = Pre-menstrual Syndrome
POC = Products of Conception
POF = Premature Ovarian Failure
PROM = Premature Rupture of Membranes
PTSD = Post-Traumatic Stress Disorder

RE = Reproductive Endocrinologist
RI = Reproductive Immunologist
RPL = Recurrent Pregnancy Loss
RSA = Recurrent Spontaneous Abortion
Rx = Prescription

SPA = Sperm Penetration Assay
SA = Semen Analysis
SART = Society of Assisted Reproductive Technology
s/b, S/B = Stillbirth
SHG = Sonohysterogram
SI = Secondary Infertility
SPA = Sperm Penetration Assay
STD = Sexually Transmitted Disease

T4 = Thyroxine TEBG = Testosterone-Estradiol Binding Globulin
TET = Tubal Embryo Transfer

TTC = Trying to Conceive
Tx = Treatment

US, u/s = Ultrasound
UTI = Urinary Tract Infection

WBC = White Blood Cells

GENERAL INTERNET ABBREVIATIONS

AMAP = As Much As Possible
AFAIK = As Far As I Know
ASAP = As Soon As Possible
AOL = America Online
BTW = By The Way
DD = Dear Daughter, Darling Daughter
DH = Dear Husband, Darling Husband
DHAC = Don't/Doesn't Have A Clue
DITD = Down In The Dumps
DP = Dear Partner, Darling Partner
DS = Dear Son, Darling Son
DW = Dear Wife, Darling Wife
FAQ = Frequently Asked Question(s)
FWIW = For What It's Worth
HTH = Hope This Helps
IMHO = In My Humble Opinion, In My Honest Opinion
IMO = In My Opinion
IRC = Internet Relay Chat
LOL = Laughing Out Loud
MIL = Mother In-law (also FIL, SIL, BIL for the others)
NBD = No Big Deal
NG = Newsgroup
POA = Plan Of Action
POV = Point Of View
PV = Postitive Vibes
ROTFL = Rolling On The Floor Laughing
ROTFLOL = Rolling On The Floor Laughing Out Loud
ROTFLMAO = Rolling On The Floor Laughing My A** Off
SO = Significant Other
TIA = Thanks In Advance
TTFN = Ta Ta For Now
TTYS = Talk To You Soon
WF = Warm Fuzzies
WRT = With Respect To
YMMV = Your Mileage May Vary