I have 3 kids of my own and am on my 9th surrogate baby. At 39, I'm done being pregnant.

I have 3 kids of my own and am on my 9th surrogate baby. At 39, I'm done being pregnant.

Westerfield with the second set of surrogate twins she delivered.Courtesy of Emily WesterfieldEmily Westerfield is 22 weeks pregnant with her ninth baby, which she's carrying for intended parents.The 39-year-old surrogate has three biological children of her own.She runs an agency that recruits other surrogates, but her current pregnancy will likely be her last.This story is based on a conversation with surrogate mom Emily Westerfield, who lives…