Author/Authors :
Liv Bente Romundstad، نويسنده , , P?l R Romundstad، نويسنده , , Arne Sunde، نويسنده , , Vidar von During، نويسنده , , Rolv Skj?rven، نويسنده , , David Gunnell، نويسنده , , Lars J Vatten، نويسنده ,
Abstract :
Summary
Background
Research suggests that singleton births following assisted fertilisation are associated with adverse outcomes; however, these results might be confounded by factors that affect both fertility and pregnancy outcome. We therefore compared
