How to add condition in between fields in Profile2 module in drupal 7? I am using the Profile2 module.
Two fields are there in the Registration Form i.e. 

I am : [Baby Male, Baby Female, Daddy, Mummy] 

&amp; 

Looking For : [Baby Male, Baby Female, Daddy, Mummy].

if user click on I am : [Baby Male] then in Looking For: [Baby Female] is only show.

If select I am : [Baby Female] then in  Looking For: [Baby Male]. 

So If I am : [Daddy] then in  Looking For: [Mummy] &amp; If I am : [Mummy] then in  Looking For: [Daddy]. 

How can I do this?. Is there any module in Drupal 7?
Yes you can do this also option wise using field conditional state module.

Go through this field_conditional_state for details.

Trigger a state when applied to a control field:

    empty - Triggers when the control field is empty
    filled - Triggers when the control field is not empty
    checked - Triggers when the control field is checked
    unchecked - Triggers when the control field is not checked
    value - Triggers when the control field's value is equal to a given string
    !value - Triggers when the control field's value is NOT equal to a given string