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SAN FRANCISCO (AP) - Thousands of abortion opponents are rallying in downtown San Francisco for the 10th annual "Walk for Life West Coast."

The protesters gathered at Civic Center Plaza in front of City Hall on Saturday before planning a march down Market Street to Justin Herman Plaza. They held "Defend life" signs.

Supervisor David Campos introduced a resolution last week opposing the "Abortion hurts women" banners that protest organizers hung on Market Street.

On Wednesday, thousands of anti-abortion activists participated in the annual "Walk for Life" rally in Washington, D.C., to mark the 41st anniversary of Roe v. Wade, the 1973 Supreme Court decision that legalized abortion.

Last year, California expanded abortion access with a measure that allows nurse practitioners, certified nurse midwives and physician assistants to perform a type of early abortion.