I have been solely breastfeeding my two week old. I had problems initially with the latch so had cracked and painful nipples which made bf hard at the beginning but i've turned a corner and the pain has reduced considerably. The problem I'm having now is that my DD hasn't regained her birth weight (5% under) and now likes to bf for about 2 hours, going from L to R to L. The time spent breastfeeding isn't an issue and I'm happy to breastfeed whenever she wants however this afternoon I was so exhausted that my husband decided to give her formula for the first time whilst I was sleeping. He said that she had 90mls of formula. Since i missed her feed i decided to manually express (HV suggested manual to ensure my nipples get a rest) and could only get out approx. 10mls in about half an hour. Does this mean that my DD isn't get enough breast milk? I've never seen her so contented/awake than how she was after the formula......after breast feeding she is normally fast asleep. Feeling a bit low now, trying to do the best for her but thinking I should start topping up with formula - appreciate any suggestions or anyone who has had similar experiences.