My DD was born 4/2 at 7lb 3oz and discharged at 6lb 6oz. Weighted a week later, 6lb 4oz and two weeks later at 6lb 6oz. I've been working with a LC and at that point we rented a high precision scale to track LO's progress.
She seems to eat well - at least 2oz per feeding, every 3.5 hours or so. We also supplement with expressed breastmilk to get her to at least 2.5oz with each feeding. Plenty of wet diapers and very few BMs - maybe a BM every 3 or 4 days. This isn't uncommon for us as our last two children often stooled just once a week while they were ebf.
The problem is that her weight gain is almost non-existant. For every 2.5 oz increase in weight, there is a 2.2oz wet diaper. We will very slowly gain over the course of days, then a BM will bring her right back down.
Brought DD in to get weighed on 5/7 (5 weeks) and she was 6lb 15oz which our ped wasn't thrilled with but at least we were seeing a little progress. Weighed again this saturday (7 weeks) and she was at 7lb 3oz. We started her on alternating breastmilk and formula that day, and have moved up to at least 3.5oz of breastmilk or formula every feeding (every 3.5 - 4 hrs). Seemed to gain well for the last 48 hours, then had a large BM and we're back to a hair over 7lb 3oz.
I don't understand how, with herculean efforts to get her to gain weight including ensuring she's getting enough from breast, then using a syringe to give her additional milk beyond what she would normally nurse, and now stuffing her with up to 4oz of formula multiple times per day, we're only seeing a fraction of an oz in gain per day. Where does it all go??
We are having my milk tested to ensure it is nutritionally sufficient - aside from that we're lost. What else can we try?
DD seems to be perfectly healthy apart from being very small and skinny. When awake, she is alert, has started smiling a little, cooing. She really seems very happy and healthy. If we didn't have a scale in our lives we would probably be stress-free parents. But, we have an almost 2 month old that is eating a tremendous amount and is just barely over her birth weight. We're so desperate for answers, if anyone can offer any ideas we'd be very grateful.