With my PCOS, losing weight is always slow, so I had to be very patient. Focus on balanced meals and gentle walks, and don't expect overnight miracles.
I totally understand how hard it is to look at your postpartum body and feel frustrated, sweetheart. But please remember your body just grew a beautiful life, so give yourself grace and time to heal.
After my C-section, I had to be extremely careful and wait for 6 months before starting any exercises. Please focus on healing first, your body went through major surgery to bring your baby.
Getting a flat tummy takes time and a clean diet. Start with core pelvic floor exercises and walking once your doctor clears you, and avoid any crash diets.