Table 1.
Sheep Breed (gestational days of treatment) | ||||||||
---|---|---|---|---|---|---|---|---|
PCOS women | Finish-Dorset (see text for days) | New Zealand Romney (D20, 27, 40) | Poll Dorset (D30-90) | Suffolk (D30-90) | Suffolk (D60-90) | Scottish Greyface (D60-90) | ||
Reproduction | Functional hyperandrogenism | yes1,2 | - | - | - | yes24 | - | - |
LH excess | yes3 | - | no19 | - | yes25 | yes36 | - | |
Oligo- anovulation | yes1,2,4 | yes17 | - | yes21,22 | yes26 | no29, 36 | - | |
Infertility | yes1, 2, 5 | - | - | - | - | yes37 | - | |
PCO morphology | yes6 | - | - | - | yes27 | nounpublished | - | |
Increased ovary weight/vol | yes6 | - | - | - | yes28 | nounpublished | - | |
Follicular persistence | ? | - | - | - | yes26 | - | - | |
Enhanced follicular recruitment | yes7 | - | - | yes23 | yes28 | - | - | |
Disrupted E2 positive feedback | ? | yes18 | - | yes21, 22 | yes29 | yes29 | - | |
Reduced E2 negative feedback | ? | - | - | - | yes30 | - | - | |
Reduced P4 negative feedback | yes8 | - | - | - | yes31 | - | - | |
Increased GnRH sensitivity | yes9 | - | no20 | - | yes25 | - | - | |
Metabolism | Reduced insulin sensitivity | yes10, 11 | - | - | - | yes32 | yes32 | - |
Increased total free fatty acids | yes12 | - | - | - | yes33 | - | - | |
Hypertension | at risk13, 14 | - | - | - | yes34 | - | - | |
Altered visceral adiposity | yes15, 16 | - | - | - | yes35 | - | - | |
PCOS criteria | NIH criteria (chronic anovulation and biochemical/clinical signs of hyperandrogenism) | - | incomplete information | incomplete information | incomplete information | yes | incomplete information | adult phenotype not studied |
Rotterdam criteria (2 of 3; oligo- or anovulation, clinical and/or biochemical signs of hyperandrogenism, polycystic ovaries) | - | incomplete information | incomplete information | yes | yes | incomplete information | adult phenotype not studied | |
AE-PCOSS (clinical/biochemical hyperandrogenism and oligomenorrhea or polycystic ovaries) | - | incomplete information | incomplete information | incomplete information | yes | incomplete information | adult phenotype not studied |
Abbreviations: AE-PCOSS: androgen excess-polycystic ovary syndrome society, D: gestational day, E2: oestradiol, GnRH: gonadotropin releasing hormone, LH: luteinizing hormone, NIH: National Institutes of Health, and P4: progesterone.