Hi ,

Most of te time I have sex wit ma boyfriend I get Vaginal infection.I am very clean n hygenic... same with him... but I do not understand what goes wrong... :( please help

These links should be helpful. Have you both been tested for STDs?

Vaginal Infection (Vaginitis) Information on eMedicineHealth.com
Vaginal Infections: Women's Health Issues: Merck Manual Home Edition
Vaginitis, NIAID Fact Sheet