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  1. In Vitro Fertilization for Infertility
  2. In Vitro Fertilization for Tubal Infertility, Deciding About
  3. Incision Care After Surgery
  4. Incision of External Hemorrhoids
  5. Independent Living for People With Disabilities
  6. Indirect Coombs Test
  7. Indoor Tanning: Is It Safe?
  8. Induction Abortion
  9. Infant and Toddler Health
  10. Infant Crying
  11. Infant Formulas
  12. Infant Massage
  13. Infantile Spasms (West Syndrome)
  14. Infected Prostate Stones
  15. Infertility Testing, Deciding About
  16. Infertility Tests
  17. Infertility Treatment for Women With PCOS
  18. Infertility: Aging Egg Supply
  19. Infertility: Emotional and Social Concerns
  20. Infertility: Ethical and Legal Concerns
  21. Infertility: Factors That Affect Treatment Success
  22. Infertility: Problems With Fallopian Tubes
  23. Infertility: Problems With Ovulation
  24. Infertility: Problems With the Man's Reproductive System
  25. Infertility: Problems With the Uterus and Cervix
  26. Infertility: Questions to Ask About Assisted Reproductive Technology
  27. Infertility: Questions to Ask About Medicine or Hormone Treatment
  28. Infertility: Questions to Ask About Surgery
  29. Infertility: Setting Limits on Testing
  30. Infertility: Setting Limits on Treatment
  31. Infertility: Should I Have Treatment?
  32. Infertility: Thinking About Adoption
  33. Inflammatory Bowel Disease and Cancer Risk
  34. Inflammatory Bowel Disease During Pregnancy
  35. Inflammatory Bowel Disease: Enteral or Total Parenteral Nutrition
  36. Inflammatory Bowel Disease: Rare Complications
  37. Inflammatory Breast Cancer
  38. Influenza (Flu) Vaccine (Inactivated or Recombinant): What You Need to Know
  39. Influenza (Seasonal Flu)
  40. Infrared Photocoagulation for Hemorrhoids
  41. Ingrown Toenail
  42. Inguinal Hernia
  43. Inguinal Hernia: Should I Have Surgery Now, or Should I Wait?
  44. Inguinal Hernia: Surgery in Adults
  45. Inguinal Hernia: Surgery in Children
  46. Inhalant Use
  47. Inhaled corticosteroids for asthma
  48. Inhaled quick-relief medicines for asthma
  49. Injury to the Tailbone (Coccyx)
  50. Inpatient and Outpatient Treatment for Substance Use Problems
  51. Insect Bites and Stings and Spider Bites
  52. Insect Repellents
  53. Insect Sting Allergies, Deciding about Allergy Shots
  54. Insect Sting Allergies: Who Is Affected
  55. Insect Stings: How to Remove the Stinger
  56. Insects That Commonly Sting
  57. Insemination for Infertility
  58. Insemination Procedures for Infertility
  59. Insomnia
  60. Insomnia: Improving Your Sleep
  61. Insomnia: Should I Take Sleeping Pills?
  62. Insulin Pump, Deciding About
  63. Insulin Pump, Living with
  64. Insulin Resistance
  65. Insulin-Dependent Diabetes Mellitus
  66. Insulin: Reusing Syringes and Lancets Safely
  67. Interactive Tool: Are You Depressed?
  68. Interactive Tool: Are You Ready to Quit Smoking?
  69. Interactive Tool: Do You Have a Drinking Problem?
  70. Interactive Tool: Do Your BMI and Waist Size Increase Your Health Risks?
  71. Interactive Tool: From Embryo to Baby in 9 Months
  72. Interactive Tool: How Bad Are Your Urinary Symptoms From Benign Prostatic Hyperplasia (BPH)?
  73. Interactive Tool: How Does Smoking Affect Your Lifespan?
  74. Interactive Tool: How Does Smoking Increase Your Risk of Heart Attack?
  75. Interactive Tool: How Many Calories Did You Burn?
  76. Interactive Tool: How Much Is Smoking Costing You?
  77. Interactive Tool: How Well Do You Bounce Back?
  78. Interactive Tool: Should I Consider Surgery for My Low Back Problem?
  79. Interactive Tool: What Is Your Child's BMI?
  80. Interactive Tool: What Is Your Due Date?
  81. Interactive Tool: What Is Your Stress Level?
  82. Interactive Tool: What Is Your Target Heart Rate?
  83. Interactive Tool: When Are You Most Fertile?
  84. Interactive Tool: Which Health Screenings Do You Need?
  85. Interactive Tools
  86. Intermittent Catheterization for Men
  87. Intermittent Catheterization for Women
  88. Intermittent Claudication
  89. Intestinal Transplant for Crohn's Disease
  90. Intra-Aortic Balloon Pump
  91. Intracytoplasmic Sperm Injection for Infertility
  92. Intradiscal Electrothermal Therapy (IDET) for Low Back Pain
  93. Intraocular (Uveal) Melanoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  94. Intraocular (Uveal) Melanoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  95. Intraocular Lens (IOL) Implants
  96. Intraoperative Cholangiogram
  97. Intrauterine Device (IUD) for Birth Control
  98. Intrauterine Fetal Blood Transfusion for Rh Disease
  99. Intrinsic Acute Kidney Injury
  100. Introducing Foods to Your Baby
  101. Intussusception