The parents of Britain's largest pair of mixed-sex twins have said it was a big shock when their children were born.
Hannah and Thomas Chiad were born by cesarean with a joint weight of 18lb.
A teacher from Derbyshire has given birth to twins at Chesterfield Royal Infirmary with a joint weight of 18lb.
Hannah and Thomas Chiad were born by cesarean and are said to be possibly the largest pair of mixed-sex twins ever born in the UK.
To all parents, the birth of their children is remarkable, but a mother from Chesterfield have even more reason to be amazed. Sara Chiad's given birth to what could be Britain's biggest twins. Hannah and Thomas were born by caesarean weighing a combined total of 18 pounds.