The girls – named Kadidia, Fatouma, Hawa, Adama and Oumou – and the boys – named Mohammed VI, Oumar, Elhadji and Bah – weighed between 500g and 1kg (1.1lb and 2.2lb) at birth, Prof Youssef Alaoui, medical director of the clinic where they were born, told the AFP news agency.