Women and the Church, which campaigns in favour of women bishops, is "hopeful but not completely confident" that they will be introduced in the Church of England.
Speaking ahead of a key meeting where members of the General Synod will be asked to give final approval to legislation backing women bishops, Hilary Cotton said, "It is the same people there, those who are opposed on principle have said that they are voting against."
"They are not representative of the wider Church of England," she added.
More top news
Glamour's 12th Annual 50 Best-Dressed Women List, voted for by readers, includes two Brits in the top 10.
Thousands of sick people may soon be unable to see a doctor because there are not enough GPs, experts have warned.
This is a table of the statistics regarding under-18s and under-16s, who have been caught drink driving in the period 2008 to 2013.