Hi
It's normal to passing through these kind of situation post partum because lot of changes happened on physical, physiological and psychological level or brain and body resigned after delivery so feeling low, getting passivity or negative thoughts are transient and short term but you can resolve it by focusing on self care,self management and change perspective towards new role and responsibilities.
Next Steps
Start taking care of yourself, focus on your physical and mental well-being, give yourself space, time and importance,look good and feel good.
Health Tips
Work on your persona,image (physical and mental) or connect with psychologist for further discussion.