I don’t know about every 15 minutes but I’d say I definitely wasn’t prepared for how much you bleed afterwards. I’ve always said everyone always talks about the birth & the babies first few weeks but no one ever tells you how you’ll be feeling. After my first my whole body ached for a week afterwards. I felt like I’d done a month long work out at the gym & muscles I didn’t even know I had ached! I walked like a 90 year old, I was scared to poo or sneeze. It hurt to laugh. I really didn’t expect any of it. I did use the large pads & I’d say for the first couple days I’d change mine every hour or 2, purely because I hated sitting in a pool of my own blood. I hate pads in general but you have no choice but to use them after birth. I was also shocked how long the bleeding went on for. I think mine lasted for about 4 weeks. The first week very heavy & then it gradually got lighter & lighter. Sometimes I thought it had ended & then it’d be heavier the next day again. I think the blood loss is different for everyone. Just the same as everyone’s labour / baby is different so it’s hard to judge what yours will be like. I deff advise on stocking up on the big pads though, that’s the last thing you’d want to run out of a couple days after birth. I wouldn’t worry about any of it though. It’s all just part of the process