This is a revolting practice and it is revolting to write about. I will not link to the article but you can find and read for yourself. The Jakarta Globe 2 September 2011 "Fears Indonesian female circumcision guidelines could increase practice".
And to refute the tired old argument that "it's not Islamic", a quote from the hadiths: "A woman used to perform circumcision in Medina. The Prophet (peace_be_upon_him) said to her: Do not cut severely as that is better for a woman and more desirable for a husband." - Sunan Abu Dawud 41.5251