Table 1. Baseline characteristics.
  Dual trigger (Study group) hCG (Control group) p
Total no. of cycles 67 60  
Age (y) 29.81±4.37 30.07±4.40 0.739
BMI (kg/m2) 24.28±4.06 25.53±4.55 0.172
Infertility Duration (y) 4.17±2.74 4.49±2.40 0.489
Infertility causes (%)     0.061
   Male factor 29.3 22.0  
   Tubal factor 4.1 7.3  
   PCOS 7.3 2.4  
   Uterine septum 0.0 0.8  
   Combined (M+F) 1.6 5.7  
   PGD 0.8 4.1  
   Unexplained 8.1 6.5  

BMI: body mass index, PCOS: polycystic ovarian syndrome, M: male, F: female, PGD: preimplantation genetic diagnosis.