Abstract：
:Vaginal bleeding is the most common cause of emergency care in the first trimester of pregnancy and accounts for the majority of premenopausal bleeding cases. Ultrasound evaluation combined with a quantitative beta human chorionic gonadotropin test is an established diagnostic tool to assess these patients. Spontaneous abortion because of genetic abnormalities is the most common cause of vaginal bleeding; ectopic pregnancy and gestational trophoblastic disease are other important causes and in all patients presenting with first trimester bleeding, ectopic pregnancy should be suspected and excluded, as it is associated with significant maternal morbidity and mortality. A thorough knowledge of the normal sonographic appearance of intrauterine gestation is essential to understand the manifestations of an abnormal gestation. Arteriovenous malformation of the uterus is a rare but important cause of vaginal bleeding in the first trimester, as it has to be differentiated from the more common retained products of conception, with which it is often mistaken.
journal_name
Obstet Gynecol Clin North Amjournal_title
Obstetrics and gynecology clinics of North Americaauthors
Paspulati RM,Turgut AT,Bhatt S,Ergun E,Dogra VSdoi
10.1016/j.ogc.2011.02.006subject
Has Abstractpub_date
2011-03-01 00:00:00pages
115-47, viiiissue
1eissn
0889-8545issn
1558-0474pii
S0889-8545(11)00007-6journal_volume
38pub_type
杂志文章,评审abstract：:Hepatitis B virus is an important sexually transmitted organism that causes not only disease in sexual partners but important perinatal illness as well. The obstetrician-gynecologist must be aware of the epidemiology and the pathophysiology of HBV infections, as well as strategies for treatment and prevention. Physici...
journal_title：Obstetrics and gynecology clinics of North America
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abstract：:Breast symptoms are appropriately evaluated by a breast-oriented history and by the diagnostic triad of clinical breast examination, FNA, and mammography. In the case of a palpable dominant mass, concordance of the diagnostic triad yields a reliable clinical diagnosis. If there is not concordance, or if there is any d...
journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1991-09-01 00:00:00
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journal_title：Obstetrics and gynecology clinics of North America
pub_type： 杂志文章,评审
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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journal_title：Obstetrics and gynecology clinics of North America
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