Reproductive endocrinology

Serum Luteinizing Hormone (LH) levels are associated to serum insulin and Anti‐Müllerian hormone levels in women with both functional hypothalamic amenorrhoea and polycystic ovarian morphology

Clin Endocrinol (Oxf)Published Retrospective observational study

Authors' conclusion

Our study suggests that GnRH insufficiency in women with PCOM unravels some mechanisms of LH regulation that are poorly documented in the literature and may involve a direct pituitary effect, as suggested by our results with serum insulin and AMH levels.

Study context

Population
Women with functional hypothalamic amenorrhoea defined by strict criteria, 2006–2020
Participants
62 Functional Hypothalamic Amenorrhoea (FHA) patients
Exposure
FHA with Polycystic Ovarian Morphology (PCOM) vs FHA without PCOM
Outcome
Association of serum LH with BMI, serum insulin and/or AMH in women with FHA and PCOM

Main finding

As reported in the abstract

Correlates of serum LH
PCOM+: LH positively correlated with fasting insulin
p = .011
PCOM+: LH positively correlated with Anti-Müllerian Hormone (AMH)
p = .035

Observational data: associations, not effects.

Further findings

OutcomeP value
BMI, AMH and FSH, PCOM+ vs PCOM−PCOM+ vs PCOM− · higher with PCOM+P = 0.024
BMI, AMH and FSH, PCOM+ vs PCOM−PCOM+ vs PCOM− · higher with PCOM+P = 0.0001
BMI, AMH and FSH, PCOM+ vs PCOM−PCOM+ vs PCOM− · lower with PCOM+P = 0.002

Prevalence of PCOM in FHA

FHA with PCOM
Forty-two percentage

Original publication

Serum LH levels are associated to serum insulin and Anti‐Müllerian hormone levels in women with both functional hypothalamic amenorrhoea and polycystic ovarian morphology. Clin Endocrinol (Oxf). Published 16 April 2023. doi:10.1111/cen.14912

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