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Direct-vision sampling of chorionic villi during extra-amniotic instillation of physiologic saline solution: effect
After 150 ml of physiologic saline solution had been infused into the extra-amniotic space before first-trimester vacuum aspiration abortion, intrauterine pressure ranged between 16 and 23 mm Hg, thus not more than during Braxton Hicks contractions. At chorionic villi sampling during continuous saline solution infusion, fetal heart activity (beats per 15 seconds) decreased temporarily from about 36 to about 33.
After 150 ml of physiologic saline solution had been infused into the extra-amniotic space before first-trimester vacuum aspiration abortion, intrauterine pressure ranged between 16 and 23 mm Hg, thus not more than during Braxton Hicks contractions. At chorionic villi sampling during continuous saline solution infusion, fetal heart activity (beats per 15 seconds) decreased temporarily from about 36 to about 33.