IFNG and Anxiety: Similar studies conducted in pregnant women have shown significant correlations between depressive symptoms and Th1/Th2-related biomarkers (IL-6, TNF-α, IL-10) at mid and late pregnancy [17, 29, 42]; in addition to the increased plasma levels of IL-1β and IFN-γ, prenatal stress, and anxiety symptoms observed in pregnant women exhibiting high levels of anxiety after undergoing elective cesarean [43].