The Real Reason Milo and Hayden Broke Up?

On Monday, news broke that Heroes stars Milo Ventimiglia and Hayden Panettiere broke up because their ‘lifestyles’ weren’t compatible with one another.

Well, the Chicago Sun Times is reporting another take on Hayden and Milo’s demise:

Word has it, the split between Hayden Panettiere and Milo Ventimiglia was caused by a pregnancy scare. The test proved negative but apparently caused friction that sparked the breakup.

Interesting!

So, which one freaked out about possibly becoming a parent?

[Image via WENN.]