Science has the answers. Or, anyway, science has a fascinating look at why this particular question cannot be satisfactorily answered.
Also, being 16 weeks pregnant, this is relevant to my interests. I look forward to the subjective debate in the comments.
Between 2002 and 2010, 142,144 adults went to the emergency room with "genitourinary" injuries
. Sporting equipment (bikes, bats, various balls) were the products most likely to be involved in such an injury, appearing in 30% of all cases. This is probably not a surprise to anyone who has watched "America's Funniest Home Videos". What is a little surprising: Men only accounted for 69% of the injuries. Ow. My ovaries. (Via Ivan Oransky) — Maggie