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Table 4 Adjusted odds ratios of obstetric and neonatal complications by multivariate analysis of endometrial preparation protocols

From: The impact of different endometrial preparation protocols on obstetric and neonatal complications in frozen-thawed embryo transfer: a retrospective cohort study of 3,458 singleton deliveries

 

Programmed cycles vs Natural cycles

Minimal ovarian stimulation cycles vs Natural cycles

Programmed cycles vs Minimal ovarian stimulation cycles

Adjusted OR (95%CI)

P value

Adjusted OR (95%CI)

P value

Adjusted OR (95%CI)

P value

Obstetric complicationsa

 HDP

1.743 (1.110–2.735)

0.016c

1.739 (0.981–3.084)

0.058

1.002 (0.634–1.582)

0.994

 Preterm delivery

1.368 (0.966–1.936)

0.077

1.511 (0.962–2.372)

0.073

0.905 (0.618–1.325)

0.609

Neonatal complicationsb

 LGA

1.269 (1.011–1.592)

0.040c

0.870 (0.624–1.214)

0.413

1.459 (1.083–1.965)

0.013c

 SGA

0.697 (0.478–1.014)

0.059

1.316 (0.830–2.084)

0.243

0.529 (0.348–0.805)

0.003c

  1. Values are presented as n (%) or OR (95%CI)
  2. OR odds ratio, CI confidence interval, HDP hypertensive disorders of pregnancy, GDM gestational diabetes mellitus, LGA large for gestational age, SGA small for gestational age
  3. aAdjustment included maternal age, maternal BMI, menstrual cycle, duration of infertility, parity, cause of infertility, ART method, culture duration, number of transferred embryos and endometrial thickness on transfer day
  4. bAdjustment included maternal age, maternal BMI, menstrual cycle, duration of infertility, parity, cause of infertility, ART method, culture duration, number of transferred embryos, endometrial thickness on transfer day, preterm birth, HDP and GDM
  5. cP < 0.05