Case C-506/06: Judgment of the Court (Grand Chamber) of 26 February 2008 (reference for a preliminary ruling from the Oberster Gerichtshof (Austria)) — Sabine Mayr v Bäckerei und Konditorei Gerhard Flöckner OHG (Social policy — Directive 92/85/EEC — Measures to encourage improvements in the safety and health at work of pregnant workers and workers who have recently given birth or are breastfeeding — Meaning of pregnant worker — Prohibition of dismissal of pregnant workers during the period from the beginning of their pregnancy to the end of the maternity leave — Woman dismissed where, at the date she was given notice of her dismissal, her ova had been fertilised in vitro , but not yet transferred to her uterus — Directive 76/207/EEC — Equal treatment for men and women — Woman undergoing in vitro fertilisation treatment — Prohibition of dismissal — Scope)