Predictive value of early embryonic cardiac activity for pregnancy outcome
The biologic variation of the embryonic heart rate was investigated by transvaginal ultrasonography during the first trimester of normal (n = 141) and abnormal (n = 29) pregnancies, and the predictive value of a repeatedly diagnosed slow heart rate for pregnancy outcome was determined. The mean hear...
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| Veröffentlicht in: | American journal of obstetrics and gynecology 1991-07, Vol.165 (1), p.11-14 |
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| container_title | American journal of obstetrics and gynecology |
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| creator | MERCHIERS, E. H DHONT, M DE SUTTER, P. A BEGHIN, C. J VANDEKERCKHOVE, D. A |
| description | The biologic variation of the embryonic heart rate was investigated by transvaginal ultrasonography during the first trimester of normal (n = 141) and abnormal (n = 29) pregnancies, and the predictive value of a repeatedly diagnosed slow heart rate for pregnancy outcome was determined. The mean heart rate increased from 82 +/- 10.3 beats/min at 5 weeks' gestation to 156 +/- 9.6 beats/min at 9 weeks. A single observation of an abnormally slow heart rate did not necessarily predict subsequent embryonic death. However, a continued decline in embryonic heart activity, observed within a few days' interval, was always associated with a first-trimester abortion. |
| doi_str_mv | 10.1016/0002-9378(91)90214-C |
| format | Article |
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H ; DHONT, M ; DE SUTTER, P. A ; BEGHIN, C. J ; VANDEKERCKHOVE, D. A</creator><creatorcontrib>MERCHIERS, E. H ; DHONT, M ; DE SUTTER, P. A ; BEGHIN, C. J ; VANDEKERCKHOVE, D. A</creatorcontrib><description>The biologic variation of the embryonic heart rate was investigated by transvaginal ultrasonography during the first trimester of normal (n = 141) and abnormal (n = 29) pregnancies, and the predictive value of a repeatedly diagnosed slow heart rate for pregnancy outcome was determined. The mean heart rate increased from 82 +/- 10.3 beats/min at 5 weeks' gestation to 156 +/- 9.6 beats/min at 9 weeks. A single observation of an abnormally slow heart rate did not necessarily predict subsequent embryonic death. However, a continued decline in embryonic heart activity, observed within a few days' interval, was always associated with a first-trimester abortion.</description><identifier>ISSN: 0002-9378</identifier><identifier>EISSN: 1097-6868</identifier><identifier>DOI: 10.1016/0002-9378(91)90214-C</identifier><identifier>PMID: 1853885</identifier><identifier>CODEN: AJOGAH</identifier><language>eng</language><publisher>Philadelphia, PA: Elsevier</publisher><subject>Abortion, Spontaneous - physiopathology ; Biological and medical sciences ; Diseases of mother, fetus and pregnancy ; Female ; Fetal Heart - physiology ; Gynecology. Andrology. Obstetrics ; Heart Rate ; Humans ; Medical sciences ; Predictive Value of Tests ; Pregnancy ; Pregnancy Outcome ; Pregnancy Trimester, First ; Pregnancy. Fetus. 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A</creatorcontrib><title>Predictive value of early embryonic cardiac activity for pregnancy outcome</title><title>American journal of obstetrics and gynecology</title><addtitle>Am J Obstet Gynecol</addtitle><description>The biologic variation of the embryonic heart rate was investigated by transvaginal ultrasonography during the first trimester of normal (n = 141) and abnormal (n = 29) pregnancies, and the predictive value of a repeatedly diagnosed slow heart rate for pregnancy outcome was determined. The mean heart rate increased from 82 +/- 10.3 beats/min at 5 weeks' gestation to 156 +/- 9.6 beats/min at 9 weeks. A single observation of an abnormally slow heart rate did not necessarily predict subsequent embryonic death. However, a continued decline in embryonic heart activity, observed within a few days' interval, was always associated with a first-trimester abortion.</description><subject>Abortion, Spontaneous - physiopathology</subject><subject>Biological and medical sciences</subject><subject>Diseases of mother, fetus and pregnancy</subject><subject>Female</subject><subject>Fetal Heart - physiology</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Heart Rate</subject><subject>Humans</subject><subject>Medical sciences</subject><subject>Predictive Value of Tests</subject><subject>Pregnancy</subject><subject>Pregnancy Outcome</subject><subject>Pregnancy Trimester, First</subject><subject>Pregnancy. Fetus. 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A</creator><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>19910701</creationdate><title>Predictive value of early embryonic cardiac activity for pregnancy outcome</title><author>MERCHIERS, E. H ; DHONT, M ; DE SUTTER, P. A ; BEGHIN, C. J ; VANDEKERCKHOVE, D. A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p235t-3c400f4f38d5e891e92ec9ebf496c3176b61b39d495b29bb1ac76c620e3b46f13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Abortion, Spontaneous - physiopathology</topic><topic>Biological and medical sciences</topic><topic>Diseases of mother, fetus and pregnancy</topic><topic>Female</topic><topic>Fetal Heart - physiology</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Heart Rate</topic><topic>Humans</topic><topic>Medical sciences</topic><topic>Predictive Value of Tests</topic><topic>Pregnancy</topic><topic>Pregnancy Outcome</topic><topic>Pregnancy Trimester, First</topic><topic>Pregnancy. Fetus. Placenta</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MERCHIERS, E. H</creatorcontrib><creatorcontrib>DHONT, M</creatorcontrib><creatorcontrib>DE SUTTER, P. A</creatorcontrib><creatorcontrib>BEGHIN, C. J</creatorcontrib><creatorcontrib>VANDEKERCKHOVE, D. 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A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Predictive value of early embryonic cardiac activity for pregnancy outcome</atitle><jtitle>American journal of obstetrics and gynecology</jtitle><addtitle>Am J Obstet Gynecol</addtitle><date>1991-07-01</date><risdate>1991</risdate><volume>165</volume><issue>1</issue><spage>11</spage><epage>14</epage><pages>11-14</pages><issn>0002-9378</issn><eissn>1097-6868</eissn><coden>AJOGAH</coden><abstract>The biologic variation of the embryonic heart rate was investigated by transvaginal ultrasonography during the first trimester of normal (n = 141) and abnormal (n = 29) pregnancies, and the predictive value of a repeatedly diagnosed slow heart rate for pregnancy outcome was determined. The mean heart rate increased from 82 +/- 10.3 beats/min at 5 weeks' gestation to 156 +/- 9.6 beats/min at 9 weeks. A single observation of an abnormally slow heart rate did not necessarily predict subsequent embryonic death. However, a continued decline in embryonic heart activity, observed within a few days' interval, was always associated with a first-trimester abortion.</abstract><cop>Philadelphia, PA</cop><pub>Elsevier</pub><pmid>1853885</pmid><doi>10.1016/0002-9378(91)90214-C</doi><tpages>4</tpages></addata></record> |
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| ispartof | American journal of obstetrics and gynecology, 1991-07, Vol.165 (1), p.11-14 |
| issn | 0002-9378 1097-6868 |
| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Abortion, Spontaneous - physiopathology Biological and medical sciences Diseases of mother, fetus and pregnancy Female Fetal Heart - physiology Gynecology. Andrology. Obstetrics Heart Rate Humans Medical sciences Predictive Value of Tests Pregnancy Pregnancy Outcome Pregnancy Trimester, First Pregnancy. Fetus. Placenta |
| title | Predictive value of early embryonic cardiac activity for pregnancy outcome |
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