I have been bf dd who is 7 mths. I have always expressed as dh gives her bottles and since weaning I have used the milk in her meals. Over the past month I have experienced severe pain and stiffness in my right hand, particularly the first 2 finger joints. First I got worried and thought I may have arthritis as lots in family but it turns out to be repetitive strain injury (RSI). I haven't always expressed every day and it is never more than 30 minutes max, often less. My advice, swap hands or maybe use and electric pump. If dd ever gets a sibling that's what I'll do. Angry this has happened and wish I'd known this could be a hazzard, it could have been avoided. You have been warned!!!