No abstract available
MeSH terms
-
Adult
-
Algorithms
-
California
-
Female
-
Humans
-
Iowa
-
Models, Statistical*
-
Multivariate Analysis
-
Pregnancy
-
Pregnancy Trimester, First
-
Pregnancy, High-Risk
-
Premature Birth / etiology*
-
Prenatal Diagnosis / methods
-
Prenatal Diagnosis / statistics & numerical data*
-
Reproducibility of Results
-
Risk Assessment