These older women had a higher incidence of maternal complications than younger counterparts. About 17% of the older women were diagnosed with gestational diabetes as compared to only 6% of younger women. Higher blood pressure was a problem for 9% of older women but only 3% of younger pregnant participants. The rate of C-section also doubled in the older population.
In addition to complications during pregnancy, older women presented with an increased rate of complications after birth including fever, excessive bleeding, extended stays in the hospital and more occurrences of intensive care. Infants born to older mothers even showed decreased health with metabolic problems reported in 4% of the newborns born to older mothers compared to 2% born to younger mothers.