In this chapter we focus on persistent maternal health problems. (gov.scot)
Infants delivered early because of maternal health problems — such as preeclampsia, cancer, or severe kidney disease — account for about a third of all preterm births. (sciencemag.org)
In parting, here's an excerpt from «No Woman No Cry» — a 2010 documentary on maternal health problems around the world directed by Christy Turlington Burns: (dotearth.blogs.nytimes.com)