TTC Acronyms Glossary


There are SO many acronyms when it comes to fertility and preconception! To make life (and trying to conceive) a little bit easier, I’ve compiled a list of the most common ones.


I couldn’t fit them all, but comment below, did I miss any?! Which ones do you want definitions for?


AF: Aunt Flo (your period)

AH/AZH: Assisted Hatching

AI: Artificial Insemination

ART: Assisted Reproductive Technology

AO: Anovulatory

BBT: Basal Body Temperature

BCP/HBC: [hormonal] birth control pill

BFP: Big Fat Positive [pregnancy test]

BFN: Big Fat Negative [pregnancy test]

CD: Cycle Day

CM: Cervical Mucus

CP: Chemical Pregnancy

DE: Donor Eggs

DI: Donor Insemination

DPO: Days Past Ovulation

DPR: Days Past Retrieval

DPT: Days Past Transfer

EDD: Estimated Delivery Date

Endo: Endometriosis

ET: Embryo Transfer

EWCM: Egg White Cervical Mucus

E2: Estradiol

FAM: Fertility Awareness Method

FMU: First Morning Urine

FSH: Follicle Stimulating Hormone

FP: Follicular Phase

GIFT: Gamete Intrafallopian Transfer

GS: Gestational Surrogate

hCG: Human Chorionic Gonadotropin

hMG: Human Menopausal Gonadotropin

HPT: Home Pregnancy Test

HSG: Hysterosalpingography

ICSI: Intracytoplasmic Sperm Injection

IUI: Intrauterine Insemination

IVF: In-Vitro Fertilization

IVF-DE: IVF with Donor Eggs

LAP: Laparoscopy

Line Eyes: those good at confirming presence of lines on pregnancy test

LH: Luteinizing Hormone

LMP: Last Menstrual Period (first day)

LP: Luteal Phase

LPD: Luteal Phase Defect

LSC: Low Sperm Count

MC: Miscarriage

MS: Morning Sickness

MFI: Male Factor Infertility

NTNP: Not Trying, Not Preventing

O/OV: Ovulation

OHSS: Ovarian Hyperstimulation Syndrome

OPK: Ovulation Predictor Kit

PCOS: Polycystic Ovarian Syndrome

PCT: Post-Coital Test

PG: Progesterone

PID: Pelvic Inflammatory Disease

PNV: Prenatal Vitamin

POAS: Pee On A Stick

POF/POI: Premature Ovarian Failure

RPL: Recurrent Pregnancy Loss

SA: Semen Analysis

SHG: Sonohysterogram

SM: Surrogate Mother

SP: Sperm Count

STIMS: Stimulating Hormones

TL: Tubal Ligation

TTC =Trying to Conceive

TWW/2WW: Two-Week Wait

UTI: Urinary Tract Infection

VFL: Very Faint Line [on a pregnancy test]

VR: Vasectomy Reversal

WTT: Waiting to Try

ZIFT: Zygote Intrafallopian Transfer

Gurevich, R. (2021). Trying to Conceive Acronyms and Abbreviation Guide. Retrieved from:


Ifeoma, M. (2021). 43 Trying To Conceive Acronyms You Need To Know. Retrieved from:


Meisel, L. (2017). What Do All the Getting Pregnant Acronyms Mean?. Retrieved from:


Mosie Baby. (2021). Fertility Glossary & Trying To Conceive Acronyms. Retrieved from:

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Remember: this post is for informational purposes only and may not be the best fit for you and your personal situation. It shall not be construed as medical advice. The information and education provided here is not intended or implied to supplement or replace professional medical treatment, advice, and/or diagnosis. Always check with your own physician or medical professional before trying or implementing any information read here. While the owner of this website tries to keep the information up to date, there may be things that are out-of-date and out of their control.