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Archives of Gynecology and Obstetrics

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01-05-2012 | Maternal-Fetal Medicine

Changes in coagulation and hemodynamics during pregnancy: a prospective longitudinal study of 58 cases

Authors: Chen Hui, Meng Lili, Chen Libin, Zhang Rui, Guo Fang, Gao Ling, Zhang Jianping

Published in: Archives of Gynecology and Obstetrics | Issue 5/2012

Abstract

Purpose

To investigate changes and establish reference values in coagulation, anticoagulation, fibrinolysis, anti-fibrinolysis and hemodynamics during normal pregnancy.

Methods

A total of 58 women with singleton pregnancies were recruited. Blood and ultrasound examinations were performed in the 10th–14th, 20th–24th, and 30th–34th weeks of pregnancy. The same examinations were performed in 50 non-pregnant women who were selected as the control group.

Results

Levels of fibrinogen, thrombin time, fibronectin, prothrombin activated fragments 1+2 and thrombomodulin were higher in early pregnancy than those in the control group (P < 0.05). Fibrinogen, prothrombin time, activated partial thromboplastin time, thrombin time, thromboxane B2, prothrombin activated fragments 1+2, thrombomodulin, D-dimer, and plasminogen activator inhibitor-2 were statistically different between the mid pregnancy and the control group (P < 0.05). Meanwhile, fibrinogen, prothrombin time, activated partial thromboplastin time, thrombin time, fibronectin, thromboxane B2, prothrombin activated fragments 1+2, thrombomodulin, and plasminogen activator inhibitor-2 were obviously elevated in late pregnancy as compared with the control group (P < 0.05). Moreover, fibrinogen, thromboxane B2, prothrombin activated fragment 1+2, D-dimer plasminogen, and activator inhibitor-2 gradually increased during pregnancy with some fluctuation. Prothrombin time, activated partial thromboplastin time, thrombin time, international normalized ratio, and thrombomodulin as well as systolic/diastolic ratio, pulsatility index, and resistance index in uterine arteries showed a tendency to decrease in pregnant women.

Conclusions

Coagulation, anti-coagulation, fibrinolytic and anti-fibrinolytic activities are enhanced and balanced at a higher level during pregnancy. In addition, uterine artery and umbilical artery hemodynamics become more baby friendly (i.e., high flow and low resistance).

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Title: Changes in coagulation and hemodynamics during pregnancy: a prospective longitudinal study of 58 cases
Authors: Chen Hui
Meng Lili
Chen Libin
Zhang Rui
Guo Fang
Gao Ling
Zhang Jianping
Publication date: 01-05-2012
Publisher: Springer-Verlag
Published in: Archives of Gynecology and Obstetrics / Issue 5/2012
Print ISSN: 0932-0067
Electronic ISSN: 1432-0711
DOI: https://doi.org/10.1007/s00404-011-2137-x

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Changes in coagulation and hemodynamics during pregnancy: a prospective longitudinal study of 58 cases

Abstract

Purpose

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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