It's true that being pregnant with two comes with some risks, but with good prenatal care and close surveillance, they can be managed.

This story is based on a conversation with surrogate mom Emily Westerfield, who lives in Celina, Ohio. It has been edited for length and clarity. I've carried 12 babies — some singletons, some twins.

Emily 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 ...