Scientists say male and female sex labels in research are inadequate

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Rédaction Africa Links 24 with Theresa Gaffney
Published on 2024-03-15 18:21:49

Our understanding of sex has evolved significantly over time. While ancient scholars like Aristotle believed that heat during conception determined a person’s sex, modern researchers have moved beyond these outdated ideas. In a recent issue of Cell, researchers argue that our current understanding of sex and how to measure it in research is limited and antiquated.

The lead author of the perspective, Madeleine Pape, a sociologist of gender at the University of Lausanne, Switzerland, highlights the need to redefine sex in research. Rather than treating sex as a simple binary category, Pape and her co-authors advocate for a more nuanced approach. They suggest looking at measurable factors such as the presence of a uterus, hormone levels, and genetics, which can provide more accurate insights in research studies.

The authors stress the importance of establishing new standards of rigor and precision when considering sex in biomedical research. By focusing on specific characteristics related to sex rather than a broad category, researchers can better tailor their studies to the specific context and questions they are investigating.

In their work, Pape challenges the conventional view of sex in research and medicine, which often oversimplifies the complexity of sex. She emphasizes that sex is not a physical entity but a social construct that is often used as a proxy for a range of biological characteristics. By recognizing the diversity and variability within different sex categories, researchers can address gender disparities in health more effectively.

One striking example highlighted in the article is the use of the category ‘women’ as a proxy for the presence of a uterus, which can underestimate the incidence of uterine cancer and lead to racial disparities in cervical cancer. This reliance on broad categories rather than specific variables can hinder the accuracy and precision of research findings.

The misuse of sex in research can be traced back to historical biases and a lack of diversity in study populations. Traditionally, research has focused on white male subjects, leading to a skewed understanding of health outcomes. Efforts to include more diverse populations, including females, have been made, but there is still a tendency to simplify sex differences rather than investigate the nuanced factors at play.

Moving beyond the current system of using sex as a proxy for specific variables requires a shift in how researchers approach study design. By customizing their methods to account for the unique characteristics of the population being studied, researchers can obtain more accurate and meaningful results. This may involve measuring hormone levels, genetics, or other relevant factors to capture the full complexity of sex-related variations.

While the transition to a more precise and nuanced understanding of sex in research may pose practical challenges, the potential benefits outweigh the difficulties. By embracing the complexity of sex-related factors and moving away from simplistic categorizations, researchers can improve the validity and applicability of their findings. It is essential to move past traditional black-and-white views of sex and embrace a more nuanced approach to studying gender disparities in health.

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