If you could break down the documentary form to a simple formula, it might read something like “Time + Access.” Those are the advantages enjoyed by Alyse Walsh and Jackie Jesko ’s “ Baby/Girls ,” which diligently unearths tales of teen pregnancy in rural Arkansas after the 2022 overturning of Roe v. Wade. Across two years and multiple subjects in a Christian maternity home, it casts a spotlight on both cultural and personal complications that, despite the film’s meandering focus, make for