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  * [ Series ](../series.html)
  * pandas.Serie... 

#  pandas.Series.first_valid_index  #

Series.  first_valid_index  (  )  [ [source]  ](https://github.com/pandas-
dev/pandas/blob/v2.2.1/pandas/core/generic.py#L12789-L12863) #

    

Return index for first non-NA value or None, if no non-NA value is found.

Returns  :