Not offensive at all. It’s a valid point. I happen to have a Vulva themed one aiming to celebrate the fact that no two vulvas are the same which has no mention of fertility: https://www.amazon.com/dp/B0BW38DDVD
https://www.amazon.com/dp/B0BW38DDVD one without ovulation :)
I have a book dedicated to the Vulva and all it’s different forms? https://www.amazon.com/dp/B0BW38DDVD