How can you tell if my baby is a boy πŸ’™ or girl? πŸ’— by doing the skull theory?

Shauna β€’ 26 from the UK πŸ‘©πŸ½ MC - March2015 & May2017 🌈 🌈 baby boy born 5th June2016 πŸ’™πŸ‘ΆπŸ»