EXCLUSIVE: TikTok trend sees women put a small amount of vaginal fluid behind their ears and on their necks. Dr Paraskevi Dimitriadi told MailOnline this could cause pelvic inflammatory disease.EXCLUSIVE: TikTok trend sees women put a small amount of vaginal fluid behind their ears and on their necks. Dr Paraskevi Dimitriadi told MailOnline this could cause pelvic inflammatory disease.Read MoreHealth News | Mail Online