That babies do not need to be latched on for hours.
That a latch that looks perfect may be (is likely to be) wrong if it hurts.
That in the early days nipples may be uncomfortable but should not be painful and that if they are help is needed immediately.
That gritting your teeth through painful breastfeeds just results in very sore nipples and further, more painful feeds.
That breastmilk on nipples that may have candida will actually make things worse.
That if nipples are extremely painful it is ok to express and give a bottle while you give them a chance to heal.
Acknowledging that pumping while allowing nipples to heal is extremely tiring and advising to get as much help as possible as rest and eating well are essential to good milk production.
Advice on how to avoid damaging nipples through excessive breast pump use.
Advice on how much should be pumped in a day for a baby that is fed EBM only (data exists on the internet, but not easy to find the time to research it when pumping for 1 hour every three hours round the clock).
But most important is that you take time to sit with the mother for a feed or two, ideally in the environment in which she is doing most of her breastfeeding, look at what she does and give advice tailored to her. I had a number of well0-meaning midwives telling me my latch was perfect, repeating the advice I already knew by heart and just encouraging me to persevere when what I needed was somebody who would listen to what I was saying (that it was excruciatingly painful) and provide advice that would solve the problem rather than pat me on the back and assure me that "baby knows what to do" and that "you will be fine, just persevere" when clearly things were not fine and persevering was not the answer (in fact, it was part of the problem).
In the end, after 4 weeks and about 8 specialists (including lactation consultant, various infant feeding specialist midwives, BF cafes, charity volunteers, health visitors, GPS) it was a peer supporter who visited at home who cracked it just as I was about to give up...