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What are the chances of developing MS if family members have been diagnosed?

Research shows there may be a genetic component to MS, though having relatives with MS doesn't guarantee you'll develop it. For siblings specifically, if your brother has MS, studies indicate there is approximately a 1 in 37 chance of developing Show Full Answer

What are the chances of developing MS if family members have been diagnosed?

Research shows there may be a genetic component to MS, though having relatives with MS doesn't guarantee you'll develop it. For siblings specifically, if your brother has MS, studies indicate there is approximately a 1 in 37 chance of developing MS.

Here are the lifetime risk factors for relatives:
• 1 in 5 for identical twins
• 1 in 22 for non-identical twins
• 1 in 37 for siblings
• 1 in 67 for parents It's important to note that MS can affect just one generation in a family, skipping others entirely. Multiple cases within extended family are not uncommon - many MyMSTeam members report having several relatives with MS, including aunts, cousins and siblings.

The best course of action is to share your complete family history with your healthcare provider, as this information can help them better monitor your health and make informed decisions about potential testing if symptoms arise.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

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