What causes bowlegs?

Up until 24 to 36 months of age, most experts agree having bowlegs is normal. Bowlegs occur because of the folded position of the fetus in the womb. The condition usually resolves itself. If bowlegs last beyond the first couple years of life, there may be a variety of causes. These typically include:

  • Blount's disease (abnormal shinbone growth)
  • An improperly healed bone fracture
  • Rickets (caused by a vitamin D deficiency)

Continue Learning about Bowlegs



Bowlegs (genu varum) is a condition in which, if standing with the feet and ankles together, the knees do not touch. It can be caused by fetal position in the womb, rickets, Blount’s disease or genetic bone growth abnormalities. I...

If bowlegs does not correct itself over time, children can be fitted with a corrective brace.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.