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")
Los Angeles, CA, High School Youth Risk Behavior Survey, 2021
2021 | 89.7 (85.4–92.8) 189 | 90.1 (82.1–94.7) 93 | 89.2 (80.3–94.4) 94 |