The memorial prayers were held at her Dhanmondi home on Friday evening.
Senior journalist, writer, social worker, women rights activist and former MP Maudud died at a Dhaka hospital on July 25 of cancer after a long battle aged 66.
She had been the Social Affairs Editor at bdnews24.com since 2009.
MPs, politicians, colleagues of Maudud and family members attended the Chehlum.
Dhaka University Professor Emeritus Anisuzzaman, MPs Fazilatunnesa Bappi and Kazi Rosy, Bangla Academy Director General Shamsuzzaman Khan, actor Piyush Bandopadhyay, Vice-Chancellor of Presidency University Mahbub Ali, Dhaka University Professor Kazi Abdus Samad and rights activist Khushi Kabir attended the ceremony.
bdnews24.com Editor-in-chief Toufique Imrose Khalidi, the Bangladesh Federal Union of Journalists leader Ataur Rahman, Abdul Mannan, former senior reporter of Bangladesh Sangbad Sangstha Ataur Rahman and Daily Observer's Mujibur Rahman were present.
Maudud's son Rabiul Hasan Avi thanked everyone for attending the memorial service. Hafez Monir Hossain conducted the prayers.
The veteran journalist was born in Kolkata on June 23, 1948.
Beginning her career as a journalist in 1967, Baby Maudud worked for the BBC, Daily Sangbad, Ittefaq, BSS, and Weekly Bichitra, among other organisations, before joining bdnews24.com.