However, self-reported menstrual status may not accurately reflect hypothalamic-pituitary-ovarian (HPO) axis suppression and may underestimate reproductive health consequences of military training.

The maturation of the hypothalamic-pituitary-ovarian axis occurs slowly in the first 18 to 24 months after menarche in the adolescent female. Anovulatory cycles may last up to 5 years.

The brain-pituitary-ovarian axis (simplified). 4A, delta-4-androstenedione; ACh, acetylcholine; DA, dopamine; E1, estrone; E2, estradiol; FSH, follicle stimulating ...

which will include the examination of the hypothalamic–pituitary–ovarian axis and the hormonal status, presence of autoimmune thyroid disease and antiovarian autoantibodies, and hyperandrogenism.

They found that the activation of the hypothalamic-pituitary-adrenal (HPA) axis, which plays a central role in coping with stress, can be significantly influenced by exposure to maternal ...

In a nutshell, FHA means your hypothalamic–pituitary-ovarian axis isn’t firing properly, and is not producing the necessary sex hormones needed for your menstrual cycle. Typically, this is ...