Trauma
Laceration
Hematoma
Sexual abuse
Vaginal foreign body
Vaginal infection
Candida Vaginitis
Contact Vulvovaginitis
Outflow-tract obstruction
Imperforate hymen
Labial adhesions
Congenital abnormalities
Laceration
Hematoma
Sexual abuse
Candida Vaginitis
Imperforate hymen
Labial adhesions
Congenital abnormalities
Appendicitis
Gastroenteritis
Bowel obstruction
Constipation
Volvulus
Muscle tendon injury
Growth-plate injury
Ligamentous injury
Avulsion fracture
Inguinal hernia
Intervertebral disc herniation
Nephrolithiasis
Cystitis
Pyelonephritis
Urethritis
Diabetic ketoacidosis
Sickle cell crisis
Neoplasms
Prepubertal pelvic pain
Trauma
Prepubertal vaginal bleeding
Laceration
Spermatocele
Hematoma
Hydrocele 
Sexual abuse