Factors that might increase the risk of undescended testicle in a newborn include:

  • Low birth weight
  • Premature birth
  • Family history of undescended testicle or other problems of genital development
  • Conditions of the fetus that can restrict growth, such as Down syndrome or an abdominal wall defect
  • Alcohol use by the mother during pregnancy
  • Cigarette smoking by the mother or exposure to secondhand smoke
  • Obesity in the mother
  • Diabetes in the mother — type 1 diabetes, type 2 diabetes or gestational diabetes
  • Parents' exposure to some pesticides
Apr. 11, 2013

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