If you're thinking of writing sapphic romance, take a look at this. Write what you want, but note that readers are looking for ice queen and fake dating, but not so many being written. So if you're choosing between ideas... And there seems to be a void for sapphic medical romance...
We coded 517 sapphic romances for 35 tropes. Most common: slow burn (33.8%), found family (32.7%), age gap (28.4%). But readers' #1 and #2 favourite tropes, ice queen and fake dating, show up in fewer than 1 in 10 books. A thread on what we found: