Start with high-confidence genitourinary & stds books, then narrow by subgenre or adjacent topics.
Living Well With Endometriosis
Kerry-Ann Morris
You Don't Have to Live With Cystitus Rv
Larrian Gillespie
The IBS Elimination Diet and Cookbook
Patsy Catsos MS RD LD
Healing Fibroids
Allan Warshowsky
Period Power
Maisie Hill