When your full bust measurement is 3 inches (7.5cm) or more than your high bust measurement you will often need to make a full bust adjustment to your front bodice sewing pattern pieces.
Don’t let the diagrams intimidate you. Once you have done it once its will feel natural. This method will help put the extra ease and fabric just where you need it, over the fullness of your bust and lift your sewing .
For other types of bodice click the link buttons to show diagrams how to make a full bust adjustment (fba) for almost any type of garment.
If your full bust is 42″ (107cm) and your pattern is 40″ you need to add 2″ (5cm) total so halve this and you add 1 inch (2.5cm) to each side.