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Table 3 The rate of pregnancy between different age groups

From: The correlation between endometrial thickness and pregnancy outcomes in fresh ART cycles with different age groups: a retrospective study

Variables

Group 1, N = 99

Group 2, N = 444

Group 3, N = 362

Group 4, N = 95

p value

Chemical pregnancy (%)

30 (30.3)

144 (32.5)

94 (26)

9 (9.5)

0.001*

Clinical pregnancy (%)

27 (28.2)

134 (30.1)

76 (21.5)

8 (8.5)

0.001*

  1. Group1: 18–23 years old; group 2: 23–30 years old; group 3: 30–38 years old; and group 4: > 38 years old. The data were presented with percent
  2. *p value < 0.05 was considered to be significant