<Li> A set of octuplets were born between September 30 and October 2, 1996, in a hospital in South London, United Kingdom to Mandy Allwood of Solihull . Allwood was only 19 weeks pregnant when she went into pre-term labor with her six boys (Adam, Cassius, Donald, Kypros, Martyn, and Nelson) and two girls (Layne and Kitali). None of her octuplets survived . She had refused selective reduction and her case provoked a media storm in the UK . </Li> <Li> A set of octuplets were born on December 5, 1996, in Huelva, Spain to Rosario Clavijo . Two of them were stillborn and six survived . </Li> <Li> The Chukwu octuplets were born in December 1998 in Houston, Texas, United States . The smallest of the octuplets, Odera, died a week after birth . </Li> <Li> A set of octuplets were born between September 13 and September 16, 2000, in Milan, Italy to Mariella Mazzara and Giovanni Pierrera of Trapani . One died immediately after birth, two within a few days of birth, and the oldest, Margherita, died a month later on October 10 . </Li>

How many sets of quintuplets are there in the united states