[header] How to buy a nursing bra [title] Find a trained professional to measure you to determine the correct bra size. [step] Work with a professional trained in measuring bra sizes or a lactation consultant. While you can measure yourself, you'll get more accurate measurements if someone else does it so you're not shifting and moving around during the measurement. 
[substeps] Most lingerie stores or maternity stores offer free measurements. [title] Get fitted before the baby is born.