Table 1. Baseline characteristics.
Different sex couples
(n=193)
Female couples
(n=326)
p value
Patients Age (years; mean±SD) 32.7±4.5 32.6±3.7 0.39
BMI (Kg/m2; mean±SD) 23.9±4.4) 24.1±4.5 0.57
Smokers (n; %) 51 (27.3%) 98 (31.5%) 0.18
Cycle Natural (n; %) 17 (8.8%) 41 (12.6%) 0.22