What is the relationship between the universal use of ultrasound, the rate of detection of twins, and outcome differences?
Chasen
S T
ST
New York Hospital/Cornell Medical Center, New York, USA.
Chervenak
F A
FA
D005314:Embryonic and Fetal Development; D004992:Ethics, Medical; D005260:Female; D006297:Health Services Accessibility; D006801:Humans; D007752:Obstetric Labor, Premature / Q000517:prevention & control; D010344:Patient Advocacy; D011247:Pregnancy; D011256:Pregnancy Outcome; D011272:Pregnancy, Multiple; D014427:Twins; D016216:Ultrasonography, Prenatal / Q000706:statistics & numerical data; D014481:United States