How to plan baby boy & girl

I am really glad that I didn't born unplanned. My mommy and daddy wished to have a boy and a girl, 2 children. I and my brother are planned and not unwanted to them. It's really important to know for a couple that how to plan baby boy & girl. This will make parents at least not regretting and will also help to have a perfect family which can really be balanced. My parents had taken Desired baby.com for having us.