Certain symbols, like the Nazi swastika, are not allowed in certain public locations. But we can agree that some of this is necessary to have a functioning society. We also censor what children are allowed to see, hear, and say, in terms of vulgar language, violence, and sexually explicit material. Few parents would agree that no censorship is appropriate in their household. That is, we are actively prevented from speaking more often and to a greater degree than men are.
Censorship is about control, which is why some is necessary.
We at WWWomen say ptooey. This one is more slippery. You know, stuff like masturbation, the fact that penetration for women often hurts like hell, and the time Aunt Bertha got drunk at the family BBQ and fell in the duck pond. These topics are either shrouded in awkward silence, or joked about. You can't really ask about them and get a straight answer.