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Table 2 Menstrual cycle characteristics in FET cycles resulting in live birth and those not resulting in live birth

From: Predicted luteal phase length has no influence on success of vitrified-warmed blastocyst transfer in natural cycle

 

FET resulting in live birth N = 371

FET NOT resulting in live birth N = 824

p-value

Usual MC length (days)

28.17 ± 1.86

28.10 ± 1.67

NS

Min. MC length (days)

26.63 ± 2.42

26.74 ± 2.23

NS

Max. MC length (days)

30.20 ± 2.74

30.07 ± 2.70

NS

Max.- min. MC length (days)

3.68 ± 3.61

3.34 ± 2.68

NS

Day of cycle with LH surge

13.40 ± 2.16

13.32 ± 2.14

NS

Day of cycle with FET

19.26 ± 2.09

19.18 ± 2.09

NS

LPL predicted on usual MC length (days)

14.02 ± 1.92

13.91 ± 1.96

NS

LPL predicted on min. MC length (days)

12.41 ± 2.50

12.24 ± 2.71

NS

LPL predicted on max. MC length (days)

15.81 ± 2.53

15.73 ± 2.71

NS

  1. MC menstrual cycle, LPL luteal phase length, min minimal, max maximal