How common is talking about Menstruation in China? Seriously wondering

Almost every drama I have watched has included a menstruation or cramps scene or an ad regarding something period related

Just wondering how open they're about it bc most societies are still somewhat at edge when you bring up periods? It's okay online but irl people get uncomfortable (ofc there's growing knowledge and getting rid of all the stigma related to it, there's also lesser jokes about PMS thse days) but this is something I've found to be interesting.. especially since there's always recommendations about how to deal with it? Warm water, specific tea or medicine, natural remedies friends suggest, drinks boyfriends bring.. I'm sure some are product placements but what abou the rest? Is it a cultural thing I'm just too not east asian to understand?