Life's Like That by pipergirl
When Buffy discovers that she's pregnant, she finds her whole world has turned upside down. How will she deal with the months leading up to the baby's arrival--cribs, bottles, breast pumps and dreaded maternity clothes? And she'll find out that friends and enemies aren't as they seem...Goldilocks by ya_lublyu-tebya (I don't think this is online any longer but I have it in word if you would like it)
Riley's gone but Buffy's pregnant. Fearing for her safety, she begs Spike to get her out of town.