If there is winter where you live then these precautions are necessary. Second you should take care your self at least 2 months. After that you can live normally.

Postpartum care is generally 45 days, it can extend upto 6 months bases on mother's condition... Each community and villages in India is having their own postpartum care methods. You can follow it, make sure mother drink plenty of water, have nutrients diet doesn't mean over food intake, it should be nutritious and depending on their digestive power, avoid stress..

Ayurveda gives you a good holistic approach regarding your queries..

Atleast  2 months... Although its not scientific,  but its just a holistic approach... Take proper counseling to clear all ur doubts

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Consult ayurveda physician for proper diagnosis and root cause of ailment before consuming any medicine

Atleast 6 month.