( b ) Implementation of the outcome of the Fourth World Conference on Women and of the twenty-third special session of the General Assembly The meeting was called to order at 10 a.m. Ms. Puri ( Assistant Secretary-General for Intergovernmental Support and Strategic Partnerships , United Nations Entity for Gender Equality and the Empowerment of Women ( UN-Women ) ) said that it was a time of great promise and opportunity for women and girls around the world , but also one of disappointment given the persistent challenges and slow progress towards the full realization of women 's rights and empowerment .