A lawmaker in Mexico's capital has proposed changing the city's civil code to allow gay marriages.

Mexico's Roman Catholic Church opposes the proposal. The church defines marriage as a union between a man and a woman, as does current law.

Lawmaker David Razu says the changes he is proposing would give same-sex couples the same rights heterosexual couples have regarding social security and other benefits.

The local legislature sent the measure to committees for consideration Tuesday. No date was set for a vote.

Mexico City's legislature is dominated by the leftist Democratic Revolutionary Party and has legalized abortion and civil unions for same-sex couples. The church and conservative groups also opposes those changes.