Trp	Tryptophan
OS	Oxidative Stress
NAD	Nicotinamide Adenine Dinucleotide
NADP	Nicotinamide Adenine Dinucleotide Phosphate
ROS	Reactive Oxygen Species
RNS	Reactive Nitrogen Species
ATP	Adenosine Triphosphate
MDA	Malonaldehyde
pO2	Pressure of Oxygen
Hb	Hemoglobin
KYN	Kynurenine
KP	Kynurenine Pathway
TDO	Tryptophan 2,3-dioxygenase
IDO	Indoleamine 2,3-dioxygenase
KYNA	Kynurenic acid
3HAA	3-Hydroxyanthranilic acid
3-HK	3-Hydroxykynurenine
XA	Xanthurenic Acid
QUIN	Quinolinic Acid
SOD	Superoxide Dismutase
KATs	Kynurenine Aminotransferases
HOCl	Hypochlorous acid
GSH	Glutathione
GST	Glutathione S-transferase
NO	Nitric Oxide
LP	Lipid Peroxidation
IFN-γ	Interferon-γ
LPS	Lipopolysaccharides
iNOS	Inducible Nitric Oxide Synthase
HO-1,	Hemeoxygenase-1
Nrf2	NF-E2 Related Factor 2
5-HT	5-Hydroxytryptamine
AA	Anthranilic Acid
Tph1	Trp Hydroxylase-1
IUGR	Intrauterine Growth Restriction
PE	Preeclampsia
RM	Recurrent Miscarriage
STAT3	Signal transducer and activator of transcription 3
MMP-9	Matrix Metallopeptidase 9
IL	Interleukin
TNF-α	Tumor necrosis factor-α
HS	Heat stress