I am new here, just finished posting my very short introduction.
My baby is 12 weeks old so I am not sure if this is the right place to post, since he will be 3 months old this Sunday.
My problem is that for the past weeks his behaviour while breastfeeding has changed: he feeds for a very short time (5-7 minutes the first breast, 0-5 minutes the second) and then turns away. If I try to gently turn his face back to the breast he starts to cry. There are times when he will take the bottle, but most of the times he doesn't want to eat anymore and just wants to be left alone (and by this I mean he doesn't want me to hold him in my arms).
From reading other threads, I understand that every detail is important, so here are our details:
My son was breastfed ever since we came home from the hospital. There was the occasional formula supplement, especially in the early days, when my milk was not always enough. But now I have enough to feed him during the day and lately I have started to pump and freeze the extra milk. I always double-weigh him so that I know exactly how much he eats. This is why I know he isn't getting as much as he should for his weight and age. He was born at 3.8 kg and is now 6.3 kg. I read that they should eat 150ml/kg/day. This means that my son should be eating around 950 ml daily. Still, he only eats 700-800 ml. He eats 5 times a day, every 4 hours. I have tried offering the breast more frequently, as my doctor suggested, but he just isn't interested and tries to play instead of feeding. He is not sick in any way, nor has he ever been (no fever, no cold, no stuffy nose, no ear pain, no colic even). He is in a good mood throughout the day, very chatty and playful and has been sleeping through the night since 2 weeks (from 10 pm to 6-7 am). This is why we do not cosleep.
The only time he eats a full meal (180-200 ml) is when he wakes up in the morning. My breasts are usually engorged and sometimes leaky and it doesn't take him too long to feed. So, even though he still follows the same pattern (feeding for 5-7 minutes on the first breast and half the period on the second), he still gets enough milk and I usually get to pump another 100-150 ml after that. I use that milk to supplement whenever necessary throughout the day or freeze it at the end of the day.
Lately I have started to pump after every feeding, especially when he feeds like a newborn (80-120 ml/session) and there is a lot of milk left in my breasts. Unfortunately, I only have a manual pump, which takes forever to empty my breasts. It is nothing compared to the suction my son provides when he wants to. I would really like him to go back to breastfeeding properly and not be forced to buy a better pump.
My doctor keeps telling me to stop weighing him, but it is too much stress for me not knowing how much he ate, even though I cannot force him to eat more than he wants and he just gets annoyed and then infuriated if I keep trying to feed him.
It makes me really angry to see him pull away from the breast and sometimes even smile and coo at me but not wanting to breastfeed. This usually makes me feel stressed at feeding times as most of the sessions end in me giving up and leaving the room while my husband takes the baby to burp him and play with him and/or put him to bed. I know there is no way to stay mad at your own baby and everytime I see his smiling face I forget it all, but then it starts all over again.
I have read all the articles on nursing strikes, but they keep referring to older babies, most of them already being fed solids and some of them having some sort of health problem (teething, a cold, ear or throat infection etc).
Every one of your answers will be greatly appreciated. I am sorry about writing in "ml" and "kg", but I don't know the correspondence in "oz" and "lbs".