A gender gap exists in medical diagnoses, with women 50% more likely than men to be misdiagnosed when experiencing a heart attack. This disparity stems from outdated stereotypes about heart attacks being a “man’s issue.” Similarly, autism has historically been perceived as predominantly affecting males, influencing both public perception and scientific research. As a result of these biases, researchers have often overlooked or underestimated the impact of autism on females.
Source: https://www.newscientist.com/article/mg26635372-700-it-is-time-to-close-the-autism-diagnosis-gender-gap