FM is associated with sexual dysfunction in women.
This systematic review and meta analysis suggests that FM is associated with sexual dysfunction, including desire, arousal, orgasm, pain, lubrication, and satisfaction. Additionally, and unsurprisingly, women with FM were more likely to experience pain during or after sex than those without.
Women with FM may need more foreplay or masturbation during sex to orgasm. The may experience less intense or less frequent sexual desire, and less sexual satisfaction.
This is just an association, this may be due to the FM but it could also be due to depression or anxiety (highly comorbid with FM)
For those unfamiliar with research, a systematic review + meta analysis is basically the gold standard; it's combing through all the literature available on the topic, identifying risk of bias, and then analysing the results as a whole. They found these results to be true across studies, to a pretty significant p-value (p=0.0001; if someone could find where they've hidden the effect size, I'd be grateful).
Long story short, it's not you, it's the fibro 🫠