A MotherMilk Measurement Detailed is a choice: You can choose between: Calcium, Phosphorus, Iron, Potassium, Copper, Magnesium, Manganese, Sodium and Zinc. You can choose from the detailed parameters listed above. Please indicate this with your order. You can have 1 part analyzed at a time. A BreastMilk in detail measures breast milk of your choice. It is a detailed breastfeeding study. You send in 2 breastmilk samples and the results will usually follow immediately within a few days, Included with your purchase are 2 sample collection vials and frozen gel package, return envelope, prepaid return shipment (only for orders outside the Netherlands), all laboratory costs and your results with nutritional recommendations. For best results, we recommend testing twice. An initial sample to get the baseline nutritional levels in your milk before making any dietary changes A second sample, which will be submitted one month AFTER receiving your first report and had the opportunity to make the dietary changes we recommended. To learn more about which kit is best for you, browse the product images to view our kit comparison chart or check out our FAQ.