A 30-year-old pregnant woman was found dead in Bhabanipur village of Natore's Baraigram upazila on Wednesday night.
The deceased was identified as Shahanur Begum. She was eight months pregnant.Anwarul Islam, officer-in-charge of Boraigram Police Station, said that all members of the woman's family went to a musical programme in the village on Wednesday evening, leaving her alone in the house.
When they returned home in the night, they found Shahanur lying in a pool of blood with her throat slit. Police have sent the body to the local hospital morgue for an autopsy.
The woman's mother-in-law Roshena Begum and brother-in-law Abdur Rashid have been detained for questioning, the OC said.