11. Such studies should lead to new strategies for preventing prematurity , she maintained. 12. Prematurity now occurs in one in 10 American births.13. PAROLI : Unfortunately, prematurity is still a big question mark in obstetrics. 14. Or, it is the result of extreme prematurity . 15. Severe cases may require an immediate Caesarean section despite the risks of prematurity . 16. Madeline died unexpectedly in April 2009 due to complications related to her prematurity . 17. A larger European study also suggested that protease inhibitors increased the risk of prematurity . 18. Retinopathy of prematurity ( ROP ) is an eye disease that affects premature infants. 19. Retinopathy of prematurity is largely preventable by screening. 20. Another feature of kangaroo care was early discharge in the kangaroo position despite prematurity .