Antita Kanjanakaew, LecturerÍÒ¨ÒÃÂì ÍÑ·ÔµÒ ¡Ò¨¹á¡éÇDepartment of Obstetric and Gynaecological NursingFaculty of Nursing, Mahidol UniversityTel. No. 02 419 7466-80 antita.kan@mahidol.ac.th