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. 2021 May 8;36(8):2275–2284. doi: 10.1093/humrep/deab101

Table II.

Reproductive history of women by polycystic ovary syndrome diagnosis group.

PCOS diagnosis
Prior diagnosis (N = 56) Study diagnosis (N = 64) Prior vs study
P-valuea
No PCOS (N = 854) Three-group comparison P-valuea
n (%) n (%) n (%)
Age of menarche 0.68 0.37
 <11 years 3 (5.4) 4 (6.3) 32 (3.8)
 11 to <12 years 7 (12.5) 14 (21.9) 110 (12.9)
 12 to <13 years 18 (32.1) 18 (28.1) 241 (28.2)
 13 to <14 years 15 (26.8) 13 (20.3) 231 (27.1)
 ≥14 years 13 (23.2) 14 (21.8) 238 (27.9)
Ever used oral contraceptive pill to manage period problems 35 (62.5) 32 (50.0) 0.17 305 (35.7) <0.001
Attempted or achieved pregnancy 45 (80.4) 46 (71.9) 0.28 614 (71.9) 0.39
Among those who attempted or achieved pregnancy N = 45 N = 46 N = 614
 Difficulties becoming pregnant 32 (71.1) 17 (37.0) 0.001 114 (18.6) <0.001
 Consulted health practitioner for infertility 26 (57.8) 9 (19.6) <0.001 56 (9.1) <0.001
Pregnancy outcomes, among those ever pregnant N = 41 N = 44 N = 586
 One or more terminations 7 (17.1) 11 (25.0) 0.37 165 (28.2) 0.29
 One or more ectopic pregnancies, miscarriages or stillbirths 15 (36.6) 15 (34.1) 0.81 139 (23.7) 0.07
 One or more live births 33 (80.5) 33 (75.0) 0.54 503 (85.8) 0.11
a

Pearson’s Chi2 test.

PCOS, polycystic ovary syndrome.