ANSWER:

All these practices are totally baseless and have nothing to do with Islamic teachings. 

my qs is related to the 40 days after giving birth which here in my country is called (chillah) what religious practice should the mother do in those days ? And how true is it about not leaving the baby and the mother alone because negative forces are all around , about covering mothers head , putting some metal tool in baby’s crib and so on ?

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