A mother from Moscow produces greatest number of children. 16 pairs of twins, 7 sets of triplets and 4 sets of quadruplets were born in 27 confinements. The heaviest baby ever born was Anna Bates in Canada weighed 10.8 kg. But the baby could not survive Youngest Mother is Lina Medina, who gave birth to a child at the age of 5 Years, 7 Months and 21 days