Early ultrasound dating of pregnancy: selection and measurement biases.

Reuss, M L

Early ultrasound dating of pregnancy: selection and measurement biases. [electronic resource] - Journal of clinical epidemiology May 1995 - 667-74 p. digital

Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.

0895-4356

10.1016/0895-4356(94)00162-j doi


Female
Gestational Age
Humans
Menstruation
Multivariate Analysis
Pregnancy
Pregnancy Complications--diagnostic imaging
Prospective Studies
Selection Bias
Ultrasonography, Prenatal
Uterine Hemorrhage--diagnostic imaging