[Obstetrical ultrasonography during the first trimester in the primipara].
This atlas of ultrasonography provides information that may be obtained during a first trimester examination, pointing out the traps.
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D005260:Female; D006801:Humans; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis; D014463:Ultrasonography
Echographie obstétricale au cours du premier trimestre chez la primipare.