4 Dec, 10:19
Grand Slam winners Fiona Coghlan and Nora Stapelton have returned the Women's RBS 6 Nations trophy to Chief Executive John Feehan at the Six Nations offices in Dublin.
Third-placed Cardiff Blues could still have a big say in the destination of the title, while defending champions Ulster, who lie in fourth, are out of contention with only one game left this season - against Edinburgh on Friday week.
Of the main three title contenders, Cardiff Blues will host Leinster on Friday week - May 11 - at the Arms Park (kick-off 7.10pm, live BBC Wales/Setanta Sports), while the Ospreys' trip to Border Reivers will take place on Saturday, May 12, with S4C covering the game (kick-off 5.30pm).
Ulster v Edinburgh and Llanelli Scarlets v Connacht have both been scheduled for Friday, May 11, while Munster's home clash with Glasgow Warriors will take place on Saturday, May 12 at Musgrave Park (kick-off 5.30pm).