Police said the child was admitted to the SAT hospital here with heavy bleeding on August 24. Hospital authorities informed police as they suspected that it might be a case of abuse.
On repeated questioning, the woman, Raji, hailing from Venjaramoodu near here, confessed that she pierced a pen into the private parts of the infant causing serious injury, police said.
The woman, who was arrested yesterday, told police that she was abandoned by her partner when she was two months pregnant and the anger towards him was the provocation for the act. She also showed signs of mental illness, police said.