A 35-year-old pregnant housewife was found with her throat slit at a house in Shantinagar in Fatullah of Narayanganj district on Tuesday.
The deceased was identified as Rabeya Begum, a mother of four children and wife of Sohel Ahmed of the area.
Rakibuzzaman, officer-in-charge of Fatullah Model Police Station, said Sohel along with his family lived there.
The couple used to lock into altercations over family feuds.
For the past one and half months, Sohel used to live in different places following a fight with his wife.
On Monday night, Sohel came to their house.
According to the four sons of the victim, they said their father came to the house in the night and they found the body of their mother with her throat slit in the morning. They did not know how it happened as they were all asleep in another room.
On information, police recovered the body and sent it to the local hospital morgue.
Police are investigating the incident to unearth the reason, said OC.