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Table 2 The clinical outcome according to serum P values (ng/ml) on ET day

From: Serum progesterone levels greater than 32.5 ng/ml on the day of embryo transfer are associated with lower live birth rate after artificial endometrial preparation: a prospective study

Variables* Q1 (< 19 ng/ml)
(n = 64)
Q2 (19–29 ng/ml)
(n = 65)
Q3 (29–49 ng/ml)
(n = 65)
Q4 (> 49 ng/ml)
(n = 64)
P-value
Women’ age (yr.) 31.8 ± 3.7 32.8 ± 4.4 33.4 ± 4.2 33.5 ± 3.8 0.066
Body mass index (kg/m2) 25.5 ± 2.1 24.8 ± 2.0 25.0 ± 2.1 24.8 ± 2.1 0.17
Positive pregnancy rate/ET, n (%) 31 (48.4) 34 (52.3) 27 (41.5) 17 (26.6) 0.017
Blighted ovum rates/ET, n (%) 2 (3.1) 3 (4.6) 7 (10.8) 5 (7.8) 0.301
Clinical pregnancy rate/ET, n (%) 29 (45.3) 31 (47.7) 20 (30.8) 12 (18.8) 0.002
Miscarriage rate/ET, n (%) 2 (6.89) 1 (3.22) 0 (0) 1 (8.33) 0.590
Live birth rate/ET, n (%) 27 (42.2) 30 (46.2) 20 (30.8) 11 (17.2) 0.002
  1. * Significant level was considered at p < 0.05