Ovulation, a rare event to see in humans, was observed during a partial hysterectomy.  For more information and the pictures relating to this see: www.newscientist.com/article/mg19826604.200-human-egg-makes-accidental-debut-on-camera.html

A process that governs embryo implantation in the womb has been identified for the first time. The research could shed light on what goes wrong when embryos fail to implant in the lining of the womb, a leading cause of infertility. An MRC and Wellcome Trust-funded team published their findings in...