Answer: Postpartum psychosis.
Explanation: Postpartum psychosis or puerperal psychosis is a severe mental illness caused by hormonal changes.its onset is from the first 2weeks after childbirth.
It's is characterised by elevated mood(mania), sudden thoughts of throwing or harming the baby in any way,hallucinations(seeing or hearing things that doesn't exist),delusions, depression, inability to initiate and sustain sleep (insomnia), paranoia, severe confusion,loss of inhibition and impaired contact with reality.
Treatment is by counselling with a psychiatrist,psychologist or other qualified mental health professional,close monitoring, hospitalization, antipsychotics/antidepressants medication administration, and electroconvulsive therapy.