Robotic surgery technology introduced in Southern Nevada a year ago is helping women carry their pregnancies and give birth safely. Fewer than 10 procedures have been performed at Summerlin Hospital, but all cases have been either successful or the pregnancies remain viable, says Dr. Darin Swainston, an OB-GYN who has done the procedures assisted by a perinatologist, an OB-GYN that deals with high-risk pregnancies.