User talk:91.159.206.186

November 2017
Please refrain from making unconstructive edits to Wikipedia, as you did at Human sex ratio. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you.  General Ization  Talk   03:00, 24 November 2017 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.