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Table 3 The constituent ratio of pregnancy history in patients with secondary infertility between the two regions (n = 1089)

From: Analysis of the etiologies of female infertility in Yunnan minority areas

Groups Kunming region (n = 655) Dehong region (n = 434) \(\upchi\)2 P value
Case (n) Percent (%) Case (n) Percent (%)
G1 244 37.25 252 58.03 32.79  < 0.001
G2 202 30.84 106 24.45
G3 112 17.10 42 9.49
 ≥ G4 97 14.81 34 8.03
  1. G, generation; \(\upchi\)2, Chi-square