49. contact isolation precaution 50. diarrhea 51. cohort 52. The patient is suspected of C. difficile infection 53. TB patient 54. gynecologic exam 55. heavy menstrual period 56. spontaneous delivery 57. C-section 58. menstrual cycle 59. contracept 60 pelvis49. contact isolation precaution 50. diarrhea 51. cohort 52. The patient is suspected of C. difficile infection. 53. TB patient 54. gynecologic exam 55. heavy menstrual period 56. spontaneous delivery 57. C-section 58. menstrual cycle 59. contraception 60. pelvis