Contrary to the scene of Abby being called in to assist an abortion shortly before her resignation, in real life, the woman having an abortion was African-American, not Caucasian; and the gestation was at 6 weeks, not 13 weeks.
The computers when used in the offices of Planned Parenthood use LED monitors from the 2010s instead of 2000s LCD ones, despite taking place before the main character's resignation in late 2009 after working with them for eight years.
The ultrasound system of an abortion procedure being done is viewed on a white CRT monitor, despite taking place in 2009 shortly before Abby Johnson's resignation, yet CRT monitors rapidly went into disuse half a decade prior.
The story takes place in Bryan, Texas like the actual events that happened, but this movie was shot in Stillwater, Oklahoma where the surroundings as Abby Johnson drives to her workplace during the opening credits are hillier than in the city the story should be taking place.