What a really, really shitty reply. I can’t believe I’ve just read this.
Anyway, moving on….
The word ‘heart break’ is totally justified OP and you are well with your rights to feel this way. There were a few points in my DS’s early months (relating to weight gain and tongue tie) where I had to consider introducing formula and I was so upset. Thankfully I overcame my problems and I didn’t use formula but I remember
how upset and disappointed I felt when things weren’t going in the direction I wanted.
Ultimately though your baby is losing weight (or gaining slow) and she cannot get to your milk because of her tongue tie. Those are the facts and none of it can be changed, so it’s just a case of practically looking at the challenges.
I would suggest 20 minutes breast feeding, followed by a top-up, followed by you expressing for 20 minutes.
It’s really important your baby gets the nutrition she needs, as well as the rest she needs and that your milk supply is protected.
In some circumstances regular pumping with a top quality pump is more effective at removing milk than a breast fed baby if the baby cannot transfer the milk themselves.
Milk will only be made if your breast is being effectively emptied and with your baby’s tongue-tie she isn’t able to do that.
The more you persevere the worse things may be in that your baby’s weight will continue to drop and your milk supply will continue to drop too.
Take a deep breath and realise the tongue-tie challenge is not your fault and it cannot be fixed for another two weeks, and in those two weeks your priority is baby’s nutrition and your milk supply.
Please dont feel guilty for the conflicting emotions you are experiencing.
If you are pumping 3 hourly then the milk you express can be used for her top-ups so it may actually be that you don’t even need to use much formula.
Like I said, take a deep breath, take the practical approach and just tell yourself that all you can do for now is your best until she is seen by the tongue-tie practitioner.
Make sure you get lots of support to returning to exclusive breast feeding after the tongue-tie release because the process of dropping top-ups can take a good few weeks so don’t expect the tongue-tie to be an instant fix.
But you’ll get there OP 👍