Skip to main content

Table 1 Clinical outcomes analyzed according to embryo and pronuclear morphologies

From: Pronuclear morphology evaluation in in vitro fertilization (IVF) / intracytoplasmic sperm injection (ICSI) cycles: a retrospective clinical review

  HQE ET PQE ET P value
(n., %) (n., %)
Total cycles 450, 59.6 305, 40.4  
Maternal age (years) 36.83±3.88 36.48±4.04 0.234
Clinical pregnancy rate 44^/450, 9.8 11/305, 3.6 0.001
Singleton 42/44, 95.5* 11/11, 100.0 0.471
Implantation rate 44/450, 9.8 11/305, 3.6 0.001
Abortion rate 9/44, 20.5 2/11, 18.2 0.866
Live-birth rate 34/450, 7.6 9/305, 3.0 0.007
Gestational age at birth (weeks) 37.8±4.2 39.6±1.3 0.213
Birth weight (gr) 2979.3±798.3 3214.6±391.0 0.399
  Z1 ET Z2 ET  
(n., %) (n., %)
Total cycles 139 616  
Maternal age (years) 36.22±3.71 36.79±3.99 0.123
Excellent quality embryos 105/139, 75.5 345/616, 56.0 <0.001
Clinical pregnancy rate 16^/139, 12.2 39/616, 6.3 0.017
Singleton 16/16, 100.0 37/39, 94.9* 0.356
Implantation rate 16/139, 11.5 39/616, 6.3 0.034
Abortion rate 2/16, 12.5 9/39, 23.1 0.712
Live-birth rate 13/139, 9.4 30/616, 4.9 0.039
Gestational age at birth (weeks) 37.3±5.1 38.5±3.1 0.351
Birth weight (gr) 2959.6±849.7 3058.4±692.2 0.691
  1. ^: one ectopic pregnancy; *: two sets of monozygotic twins.