ENTERTAINMENT
07/05/2009 05:12 am ET Updated May 25, 2011

Lance Armstrong's Baby Born: Max Armstrong Arrives!

Shortly before midnight EST on Thursday night, Lance Armstrong tweeted the news that he has a new baby boy, Max, with his girlfriend Anna Hansen.

Along with a photo, seen left, Lance twittered some details. 7 hours before the birth announcement:

Toughness is being redefined today

The announcement with a photo:

My name is Max Armstrong and I just arrived. My Mommy is healthy and so am I!

30 minutes later:

@maxarmstrong1 weighed in at 7lbs5oz and is 20 inches long.

The cancer survivor has three older children with his ex-wife Kristin. They were, as is documented in his autobiography "It's Not About The Bike," conceived using IVF and sperm banked before his cancer battle.

Max was conceived naturally.

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