Table II.
Men | Postmenopausal women | Premenopausal women | Women with PCOS | |
---|---|---|---|---|
Study | Skorupskaite et al. (2017) | Skorupskaite et al. (2018b) | Skorupskaite et al. (2016) | Present data |
LH status | Normal | Very high | LH surge model | High |
Sex-steroid feedback | Negative | Loss of negative | Negative then positive | Dysregulated |
NK3Ra response | Decreased LH | Marginal LH decrease | Marginal decrease in basal LH | Decreased LH |
Decreased FSH | No FSH effect | Increased FSH | Decreased FSH | |
KP-10 response | Increased LH | No LH/FSH effect | Increased LH and FSH | Increased LH |
No FSH effect | ||||
KP-10 and NK3Ra (vs KP-10 alone) | No change | No LH/FSH effect | Shorter KP response | Increased LH and FSH |
Loss of relationship with oestradiol | Loss of relationship with oestradiol |