(BBC) -- More than a million people are said to have taken part in a march in Madrid to oppose government plans to liberalize Spain's abortion law.
Several dozen centre-right opposition party joined the demonstration, which was backed by Roman Catholic bishops.
Socialist Prime Minister Jose Luis Rodriguez Zapatero wants to introduce abortion on demand.
At present, a pregnancy can only be terminated in mainly Catholic Spain under specific circumstances.
The government wants the procedure to be available to all women up until the 14th week of pregnancy.
Most controversially, the draft law currently before parliament would also permit girls aged 16 and 17 to have an abortion without their parents' knowledge.
It is the latest in a series of ethical issues which have pitted the Catholic right against the government, which has legalized gay marriage and made divorce easier.
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