5αAdiol	urinary 5α-androstane-3α:17β-diol
5βAdiol	urinary 5β-androstane-3α,17β-diol
A	urinary androsterone
ABP	athlete biological passport
ABPS	abnormal blood profil score
ACL	anterior cruciate ligament
ACTH	adrenocorticotropic hormone
AM	amenorrhea
BMD	bone mineral density
CCK	cholecystokinin
CHO	carbohydrate
CK	creatine kinase
CNS	central nervous system
COC	combined oral contraceptive
CRF	cortisol-releasing factor
CRP	C-reactive protein
DHEA	dehydroepiandrosterone
DXA	dual-energy absorptiometry
E	urinary epitestosterone
E2	estradiol
EaF	early follicular phase
EaL	early luteal phase
Etio	urinary etiocholanolone
F	follicular phase
FAT	female athlete triad
FEV1	forced expiratory volume in one second
FSH	follicle-stimulating hormone
GI	gastrointestinal symptom
GLP-1	glucagon-like-peptide-1
GH	growth hormone
GHRH	growth hormone-releasing hormone
GnRH	gonadotrophin-releasing hormone
HBG	hemoglobin
HF	high-frequency peak (HRV)
HR	heart rate
HRV	heart rate variability
ICTP	type 1 carboxyterminal telopeptide
IgA	immunoglobulin A
IGF-1	insulin-like growth factor
IGFBP-1	insulin-like growth factor-binding protein-1
IGFBP-3	insulin-like growth factor-binding protein-3
IL-6	interleukin-6
IOC	International Olympic Committee
IUD	intrauterine device
L	luteal phase
LaF	late follicular phase
LaL	late luteal phase
LF	low-frequency peak (HRV)
LH	luteinizing hormone
MC	menstrual cycle
MiF	mid-follicular phase
MiL	mid-luteal phase
NMC	normal menstrual cycle
NO	nitric oxide
OFFS	OFF-hr Score
PaCO2	arterial partial pressure of carbon dioxide
PC20	provocative concentration of methacholine that results in a 20% drop in FEV1
PeO	peri-ovulatory time
PETCO2	end-tidal carbon dioxide
PG	progesterone
PMA	premenstrual asthma
PMS	premenstrual syndrome
POMS	profile of mood state
PRL	prolactin
RED-S	relative energy deficiency in sport
RET%	reticulocytes percentage
SaO2	blood oxygen saturation
SHBG	sex hormone-binding globulin
T3	tri-iodothyronine
T	urinary testosterone
T/E	urinary testosterone/epitestosterone ratio
TES	blood testosterone
TNFα	tumor necrosis factor alpha
TSH	thyrotropin
UI	urinary incontinence
URTI	upper respiratory tract infection
VE	ventilation
VE/VCO2	carbon dioxide ventilatory equivalent
VE/VO2	oxygen ventilatory equivalent
VO2	oxygen consumption
VO2max	maximal oxygen consumption