A pregnancy complicated by diabetes mellitus, hypertension, previous history of multiple stillborns, expected multiple birth, or a foster child under age 18 years.
A pregnancy with a higher than normal risk of developing complications. Such pregnancies include those with multiple fetuses or Rhesus incompatibility, or when the mother has had problems with miscarriage, premature labour, or placenta praevia in earlier pregnancies.
A pregnancy that can result in premature delivery or fetal and/or maternal complications (i.e. fetal intrauterine growth retardation, congenital fetal abnormalities, maternal hyper-tension disorders, diabetes).