Today, 03:30 PM
As pp suggests, the pump typically suggested for situations where mom is pumping because production is low is a hospital grade rental pump. You rent it, not buy it. Hand expression along with pumping helps some moms. Like, before or after pumping.
Ok. When will baby be weighed again? While weight checks too close together are often misleading, I do think that weekly checks make sense to ensure any interventions are working. A gain of 2 ounces in 3 days sounds like reasonable gain to me, but it is not really a long enough period of time to draw conclusions one way or another. Supplementing so baby is getting enough to eat is important, but (imo) supplementing to get baby to a certain weight by a certain time is potentially problematic. OVER supplementation is likely to cause more problems. Now, I don't think either 5 or 7.5 daily is a huge amount to be supplementing, however, any amount over the needed amount is too much. Not that it is easy to determine the needed amount. It is not. But this is very early days, and the most important thing is to keep baby nursing frequently. And over supplementing can make that harder.
... Well, "minimal" changes in breasts as you describe during pregnancy are certainly normal. Assuming your development- onset of menses and breast development- was normal and with no obvious fertility issues, that is all inconclusive. Something to consider is to have your thyroid function and/or hormonal levels checked anyway, also, has retained...