So the funny thing is I was hearing the same thing ( that the average cup size had increase to C) back when I graduated high school in the late 90s. I think no

So the funny thing is I was hearing the same thing ( that the average cup size had increase to C) back when I graduated high school in the late 90s. I think non anectodally, this trend is something that has been going on for a long time. If I remember correctly we blamed microplastics in the water minicking estrogen, and starting puberty earlier. What is the truth is probably unknown.