All the comments about people only doing anal because of porn and girls being coerced into and degraded by their boyfriends and prudish and small minded. Yes of course not everyone likes or even wants to try anal but don't make it shameful for the people that do.
Definitely don't feel sad or angry on behalf of other women who are exercising their right to do what they want with their own bodies and exploring what they like. It's patronising and not feminist at all despite some people trying to frame it as so and as a concern for young girls.
I did anal for the first time at 19 with my stable boyfriend. It was my idea and I wanted to try it, he wasn't overly keen but after talking about it we decided to try it together but go slowly and gently. In the end he ended up loving it, I wasn't a big fan just because it didn't do much for me. But I didn't feel degraded, he didn't expect it from me and I didn't 'go along with it', and neither of us had our expectations warped by porn.
We still do it occasionally because he enjoys it and as his partner who loves him I like it when he enjoys it. There is no coercion from him. Exactly the same as we sometimes use a vibrator during sex which doesn't do anything for him but does for me, and he does it for me because he knows I enjoy it and likes to see me enjoy myself.
Young people are more sexually adventurous these days because there's less prudish attitudes squashing our wants and putting us off trying out new things for fear of being judged. I understand you're worried for your daughter but there is also a big difference between convincing and coercing. Lots of new things couples try are first suggested by one and then through talking about it the other is convinced to give it a try.
I'm glad you acknowledge that you can be a bit of a prude so please try not to put your judgement or personal beliefs on your daughter and make her feel ashamed for exploring and experimenting sexually which is perfectly normal.