Piercings are for both men and women.
"Male piercing" normally means a piercing in a man's genitals.
A piercing on a man's penis (on the head).
She can still keep her navel piercing in.
A King Arthur is a piercing that is on the tip of a man's penis
You really don't need to have this explained to you, simply look at the piercing and figure it out.
It improves sex for the woman.
No reputable (read as: safe and won't give you a crooked, ugly piercing) piercer will perform a piercing on a pregnant woman, as your immune system is already weakened and any infection you get from the piercing could spread to the child, and if that happens they could be held liable to some extent.
Bindi usually refers to a representative dot drawn on the forehead of a Hindu woman, but in our modern world it is a piercing as well. Also known as a third eye piercing, it is an uncommon, surface piercing placed on one's forehead.
Considering the population (this is bases on a good guess, but no actual hard research) I would estimate that about 10% of the population would have some form of body piercing. (Estimate is based on the advent of the modern piercing movement in starting in California in the early 70's).
It's supposed to improve oral sex. The placement was determined whether you would be performing it on a man or woman. Nowadays, it isn't just about sex. People can get them just because they like them.
No. No piercings are gay or straight. Any kind of man can get any kind of piercing they want.
A woman can do anything a man can do.