Sometimes it's argued that removal is good for female hygiene. In a survey of 3,316 women in the US, published this week in JAMA Dermatology, 59% said they did it for “hygiene reasons".
But according to this useful Guardian article, exactly the opposite is true: it is more hygienic not to remove pubic hair, and the survey explains why.
"Your pubis is your own business. But pubic hair was put there to protect your genitalia from friction and infection..."