Study population
HYDROSALPINX, CAVITY
Consecutive unselected women were assessed for eligibility on the day of ET and approached for their participation if inclusion criteria were met (Table Inclusion and exclusion criteria.Exclusion criteria were agreed upon to limit the number of variables that could affect pregnancy outcomes, ensuring the most homogenous data set. The presence of hydrosalpinx, or distortion of the endometrial cavity are known to negatively impact implantation rates