I'm embarrassed to have forgotten the title and author of this fic. It's one of the really famous ones, and I've read it over and over. Somehow Kagome agrees to bear a child for Sesshomaru. InuYasha takes his group and they climb a mountain in the winter. They get really cold and hole up in an old hut on the mountain. After a while, Jaken shows up on Ah-Uhn and Kagome gives him a blanket to keep warm. He gives her a scoll to read, but I don't remember what was in it. They go back down the mountain and I can't remember what happens next! The title is hovering at the edge of my consiousness, but I can't seem to recover it! Can anyone help?

I believe it's Unexpected Endeavors by scottishfae. She is working on a rewrite and only has four chapter up on ff.net

www.fanfiction.net/s/3041322/1/Unexpected_Endeavors

but it's older version is still on Spark

dokuga.com/spark/story/5478/1

I think that's the one! Thanks so much! You saved me days of agonizing over it!