Milk supply?

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My son is a month old, I breastfed for the first week then went to pumping and supplementing because he lost over a pound within that week. I've been pumping, but not every 3 hours and sometimes I'll skip a day. I get like 2 ounces every time but I'm wondering if anyone had success in bringing your supply back after it went down? This recovery has been so hard, I've been in and out of the hospital since my csection, my incision opened and my blood pressure was 174/107 a week after delivery! It's been tough and I havent been able to focus on pumping, plus with my 3 year old it's just been hard finding that groove. But if anyone has any tips, I'd totally appreciate it 😔 idk if this is possible or if it's just a lost cause at this point.