A 40-year-old British women has given birth to girl weighing 6.2 kilos,the biggest baby ever born naturally in Spain Maxime Marin delivered the baby a on Wednesday in the Mediterranean city of Denia.Both the baby -named Maria Lorena Marin-and the mother were doing well after the birth,although the newborn remains in the neonatal care unit Larger babies are often delivered via caesarean section.