Did Not Use Birth Control Pills Before Last Sexual Intercourse With Opposite-Sex Partner
("to prevent pregnancy, not counting emergency contraception such as Plan B or the ""morning after"" pill, among students who were currently sexually active")
San Francisco, CA, High School Youth Risk Behavior Survey, 2021
2021 | 91.1 (85.5–94.7) 203 | 90.7 (81.0–95.7) 89 | 91.3 (82.2–96.0) 112 |