Struck by extreme poverty, a 32-year-old woman from Shirdi town in Maharashtra's Ahmednagar district allegedly sold her three-day-old son to a man in Mumbai for Rs 1.78 lakh, police said here on Wednesday.

Police have detained the woman, the man who bought the child, and four others who helped the woman in the crime, as per an FIR registered on November 7 at Manpada police station in Dombivli town here.