A prospective study of the use of ultrasound in vaginal legal abortion before 20 weeks of pregnancy.
Helm
C W
CW
Maxwell
D J
DJ
Lilford
R J
RJ
D000028:Abortion, Induced; D003933:Diagnosis; D005193:Family Planning Services; D015994:Incidence; D010808:Physical Examination; D011446:Prospective Studies; D012106:Research; D012107:Research Design; D014465:Ultrasonics
Abortion, Induced--complications; Examinations And Diagnoses; Family Planning; Fertility Control, Postconception; Incidence; Measurement; Physical Examinations And Diagnoses; Prospective Studies; Research Methodology; Studies; Ultrasonics--therapeutic use