Start back strength exercise of spine and consult with physician. Visit physiotherapy centre for proper diagnosis and treatment

You should see a physiotherapist for proper diagnosis. It can be mechanical or non mechanical back ache. So the treatment is different in both the cases. And then start with the strengthening exercises for the back along with the stretching exercises.

Hi. Pregnancy can take a toll on the body and especially the back as it creates a lot of stretching of your abdominal muscles that usually support your back. If you feel your pain is above a 7 from 0-10 where 0=no pain and 10=extreme pain, you should definitely consult a physician first who could help you with medicines to relieve your pain. Once your pain has settled you could start with muscle strengthening with a physiotherapist and over a period of time also work on reducing your obesity as that would also reduce the pressure on your spine.

You need to consult a Physiotherapist in person for complete assessment and treatment. You should do back stretching and strengthening exercises with proper guidance.

Ma'am as in your case, you first need to visit neuro physician or ortho doc for medicinal treatment. With this you need to take Physiotherapy treatment atleast for 20 days to reduce pain and stregthening lower back muscles. After 10 days of physiotherapy treatment, you can start with strengthening exercises and also you need to reduce your weight in order to avoid future knee and ankle pains.