THE ABTRACTS OF THE NEW CONCLUSION Name of the research: “Study the effects of the extract “Tho thai” on experiment and in clinic to treat threatened abortion ” Code: 62.72.60.01 Speciality: Traditional medicine Post-granduate: Thai Thi Hoang Oanh Teachers: Pr.Dr. Lê Thị Hiền Pr.Dr. Nguyễn Viết Tiến University: Ha Noi medical University The new conclusions of the study: 1. The extract “Tho thai” had effect relaxtion the uterus and the haemostatic on experiment - Extract thothai at three doses (3%, 6% and 9%) had sinifically decreased contractility on both the rate and force uterine contractions. - The extract thothai at low dose (3%) had haemostatic effect by contractive vaculars of the early pregnant rabbit ears. 2. The extract “Tho thai” had effect to treat threatened abortion in clinic, the drug had no side-effect in clinic and paraclinical - The extract “Tho thai” had effect to decrease uterus-ache symptom: the rat of patient had no uterus-ache symptom of study group (72%) and of the control group (74%) were equivalent (p>0,05). The time to treat uterus-ache symptom of the study group (8,83±7,29days) and of the control group (8,43±6,56days) were equivalent (p>0,05). - The extract thothai had haemostatic effect: the rat of patient had no haemorrhage symptom of study group (42%) and of the control group (42%) were equivalent (p>0,05). The time to treat haemorrhage symptom of the study group (4,36±3,2days) shoter than the control group (7,62±6,54days), p<0,05. - The extract thothai had improved the traditional symptom. - The rat of successful of two group were 82% and 84%. - Find out no side-effect of the extract thothai in clinic and paraclinical. Teacher Pr.Dr. Le Thi Hien Post-granduate Thai Thi Hoang Oanh . THE ABTRACTS OF THE NEW CONCLUSION Name of the research: Study the effects of the extract Tho thai on experiment and in clinic to treat threatened abortion ” Code: 62.72.60.01. threatened abortion in clinic, the drug had no side-effect in clinic and paraclinical - The extract Tho thai had effect to decrease uterus-ache symptom: the rat of patient had no uterus-ache symptom. uterine contractions. - The extract thothai at low dose (3%) had haemostatic effect by contractive vaculars of the early pregnant rabbit ears. 2. The extract Tho thai had effect to treat threatened