Your symptoms suggest it's Rheumatoid arthritis i.e. multiple joint pain with swelling.
There are many exaggerating factors for it like vit .D or
calcium ,
B12 deficiency, allergic to certain foods eg sour or fermented foods.
Post delivery.
A physiotherapist can help you in reducing pain and preventing joit stiffness and contacture.
Yoga and swimming are a great help.
For further suggestions or query feel free to revert back
Next Steps
visit a physiotherapist