aria-labelledby & fieldset/legend possible iOS bug test

Conclusion: VoiceOver will not read fieldset legends on iOS 7.0.4 in Mobile Safari. VoiceOver behavior is corect on OS X.

I'm the aria-labelledby for the input at the bottom
Fieldset legend text is read for each input only on VoiceOver OS X not on iOS
Years
Months
<- visual label placed at top to prevent any guessing by VoiceOver


Normal Fieldset Legend Combo BUG IS WITH FIELDSET/LEGEND ON IOS VOICEOVER