If the women have ever been sexually active, however, ACOG recommends cervical cytology be performed 3 years after the onset of sexual activity, and annually thereafter.

• 然而，ACOG建议，如果这些女性有性经验，ACOG建议在性行为3年后开始进行子宫颈细胞学筛检，且之后每年进行一次。