[Right to non discrimination. Article 2 ensures rights to every child, without discrimination of any kind. The Committee urges States parties to identify the implications of this principle for realizing rights in early childhood:] [Article 2 also means that particular groups of young children must not be discriminated against. Discrimination may take the form of reduced levels of nutrition; inadequate care and attention; restricted opportunities for play, learning and education; or inhibition of free expression of feelings and views. Discrimination may also be expressed through harsh treatment and unreasonable expectations, which may be exploitative or abusive. For example:] Discrimination against girl children is a serious violation of rights, affecting their survival and all areas of their young lives as well as restricting their capacity to contribute positively to society. They may be victims of selective abortion, genital mutilation, neglect and infanticide, including through inadequate feeding in infancy. They may be expected to undertake excessive family responsibilities and deprived of opportunities to participate in early childhood and primary education;