The LH:FSH Ratio in Functional Hypothalamic Amenorrhea: An Observational Study.
Magdalena BoeglDidier DewaillyRodrig MarculescuJohanna SteiningerJohannes OttMarlene HagerPublished in: Journal of clinical medicine (2024)
In a well-defined FHA sample, the LH:FSH ratio was ≤ 1 in most patients. The LH:FSH ratio may prove useful in distinguishing FHA from PCOS but needs further investigation.