Document Detail

Four-dimensional sonographic assessment of fetal movement in the late first trimester.
MedLine Citation:
PMID:  20206931     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To evaluate, using four-dimensional (4D) sonography, the frequency of fetal movements during the late first trimester of normal singleton pregnancies. METHODS: Singleton pregnancies were studied-using transvaginal 4D sonography-for 10 minutes at 10-11 and 12-13 weeks of gestation. The frequencies of 5 fetal movements (isolated arm, isolated leg, short trunk, long trunk, and jumping movements) were evaluated. RESULTS: In the 17 pregnancies studied, the most frequent fetal movements were isolated arm movement at 10-11 weeks and jumping movement at 12-13 weeks. There was a significant difference in the frequency of jumping movement between 10-11 and 12-13 weeks (P<0.05). CONCLUSION: The difference in frequency of 5 fetal movements at 10-11 and 12-13 weeks of gestation may be caused by early neuromuscular development and differentiation of the neuromuscular system.
Toshiyuki Hata; Kenji Kanenishi; Mutsuko Sasaki
Publication Detail:
Type:  Journal Article     Date:  2010-03-05
Journal Detail:
Title:  International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics     Volume:  109     ISSN:  1879-3479     ISO Abbreviation:  Int J Gynaecol Obstet     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-05-07     Completed Date:  2010-08-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0210174     Medline TA:  Int J Gynaecol Obstet     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  190-3     Citation Subset:  IM    
Copyright Information:
Copyright 2010 International Federation of Gynecology and Obstetrics. Published by Elsevier Ireland Ltd. All rights reserved.
Department of Perinatology and Gynecology, Kagawa University School of Medicine, Kagawa, Japan.
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MeSH Terms
Fetal Movement*
Gestational Age
Muscle Development / physiology
Nervous System / embryology
Pregnancy Trimester, First
Time Factors
Ultrasonography, Prenatal / instrumentation,  methods*

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