I mean, there are tons of studies on racial and gender inequality in healthcare, but OK, go off.

For example, members of minority groups have longer wait times in the ER [7-9], are less likely to receive catheterization when identical expressions of chest pain are presented [10], and are less likely to be recommended for evaluation at a transplant center or be placed on a transplant waiting list when suffering from end-stage renal disease [11]. African Americans receive lower-quality pain treatment [12, 13], even when covered by the same medical insurance [14, 15] and seeking treatment at the same emergency department [16] as patients of other races. (https://journalofethics.ama-assn.org/article/education-identify-and-combat-racial-bias-pain-treatment/2015-03)

“I was told I knew too much, that I was working too hard, that I was stressed out, that I was anxious,” said Ilene Ruhoy, a 53-year-old neurologist from Seattle, who had head pain and pounding in her ears.

Despite having a medical degree, Ruhoy said she struggled to get doctors to order a brain scan. By the time she got it in 2015, a tennis ball-sized tumor was pushing her brain to one side. [...]

Doubts about women’s pain can affect treatment for a wide range of health issues, including heart problems, stroke, reproductive health, chronic illnesses, adolescent pain and physical pain, among other things, studies show. (https://www.washingtonpost.com/wellness/interactive/2022/women-pain-gender-bias-doctors/)

https://www.hopkinsmedicine.org/news/articles/physicians-more-likely-to-doubt-black-patients

https://www.today.com/health/implicit-bias-medicine-how-it-hurts-black-women-t187866

The research is out there with a quick search. As a white woman though, I definitely don't need research to know it's true. Especially with gynecological issues, pain levels, and psychiatry. We're "hysterical," and though they don't use that word anymore, that judgement is alive and well.