“…On the one hand, institutions in the form of policies and regulations not only define the set of opportunities and constraints in which women, men, and couples act but also their beliefs, contributing to dominant interpretations of gender, family, and parenthood. There is indeed evidence that the enactment of legislation that provides equal rights to married and unmarried parents has contributed both to an increase in nonmarital childbearing and to a wider acceptance of this phenomenon (Delgado, Meil, & Zamora-López, 2008). Similarly, there is evidence that the opening up of marriage and other legal arrangements to two persons of the same sex in a growing number of countries has changed the visibility and acceptance of homosexuality and homosexual families, including homosexual parenthood (Waaldijk, 2013).…”