No abstract available
MeSH terms
-
Chorion / diagnostic imaging
-
Female
-
Fetal Diseases / diagnostic imaging
-
Fetal Growth Retardation / diagnostic imaging
-
Fetal Growth Retardation / etiology
-
Gestational Age
-
Humans
-
Pregnancy
-
Pregnancy Complications / diagnostic imaging
-
Pregnancy Complications / etiology
-
Pregnancy, Twin*
-
Premature Birth / diagnostic imaging
-
Premature Birth / etiology
-
Risk Factors
-
Ultrasonography, Prenatal / standards*