Heidi Thomas, creator of the acclaimed series ‘Call the Midwife,’ shares insights about the personal birth stories she encounters and the powerful themes of her show. As the series approaches its 14th season, she reflects on the challenges of storytelling within a family drama, dealing with social issues, and managing to convey hope amidst darker narratives. Thomas discusses her unique approach to writing, the influence of her late brother with Down’s syndrome, and the show’s impact on audiences in the U.S. and beyond.