There are no scientifically proven or reliable external characteristics or behaviors that clearly indicate how many sexual partners a woman (or man) has had in her life.
Such claims are usually myths, prejudices, or social stereotypes and cannot be generalized. A person’s sex life is a private matter that cannot be judged based on external appearances or general behavioral patterns.
Attributes mistakenly associated with it are often subjective and unreliable, such as:
Confidentity or open sexuality: Confident women are sometimes mistakenly viewed as promiscuous. In fact, healthy self-confidence in dealing with one’s sexuality can simply be a sign of emotional maturity.
Certain clothing styles: Clothing has nothing to do with the number of partners but is an expression of personal taste and fashion.
Experience and skill in bed: Sexual competence depends on many factors, including communication with one’s partner and willingness to learn, not just the number of past partners.
Conclusion: The assumption that one can determine the number of sexual partners a person has had based on “signs” is a prejudice and completely unfounded.