A quarter of women who have serious maternal complications during childbirth also have premature births, posing a "dual burden" on families, finds research from NYU Rory Meyers College of Nursing, the University of California, San Francisco (UCSF) California Preterm Birth Initiative, and Stanford University.
source https://www.lifetechnology.com/blogs/life-technology-news-blog/one-in-270-births-have-dual-burden-of-prematurity-and-severe-maternal-complications