"Insertion of the umbilical cord within"
"The estimated incidence is ~7.5% (range 4.2–11.3%) 1,13 of singleton pregnancies but ~25% of twin pregnancies. Hence, it is important to locate the umbilical cord in all patients, particularly high-risk pregnancies."
"pre-term birth 7"
"Second-trimester marginal cord insertion can be associated with an increased likelihood of low birth weight, pre-term delivery and composite adverse obstetrical and neonatal outcomes 8."
Expected headings
"Associations"