Thanks all! I went with "Ineffective Breastfeeding". I had a revelation along the lines of 4boysmama's... actual Ineffective Breastfeeding is going to be more harmful to baby than an infection that...
Sorry, I forgot to mention that her BMI is pre-pregnancy and that she admitted to "exercising too little and eating too much" and wanted to start walking with her baby as soon as she was able. Trust...