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Safety evaluation of commonly used Chinese herbal medicines during pregnancy in mice.
MedLine Citation:
PMID:  22647451     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUNDIt is unclear how safe the use of Chinese herbal medicine is during pregnancy and if the herbal medicines do any harm to pregnancy, embryo-fetal development and prenatal and post-natal growth. A large-scale preclinical study was conducted to detect the adverse effects of Chinese herbal medicines during pregnancy.METHODSTwenty of the most commonly used Chinese herbal medicines prescribed for pregnancy were selected and the crude extract was administered to pregnant mice at clinical doses during five different gestational stages, namely post-implantation, gastrulation, organogenesis, maturation and whole gestation periods. Maternal effects on side effects, weight loss, litter reduction, implantation failure and fetal resorption and perinatal effects on growth restriction, developmental delay, congenital malformations and post-natal mortality were determined.RESULTSAdverse pregnancy outcomes were commonly observed after maternal exposure to the herbal medicines, particularly during early pregnancy. Major events included maternal and perinatal mortality were recorded. Maternal weight gain, embryo growth and post-natal weight gain were significantly decreased. Fetal resorption and skeletal malformations were significantly increased.CONCLUSIONSReproductive toxicity of Chinese herbal medicines commonly used during pregnancy was identified in mice. Caution should be taken in the clinical use of herbal medicines during pregnancy.
Authors:
Chi Chiu Wang; Lu Li; Ling Yin Tang; Ping Chung Leung
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-30
Journal Detail:
Title:  Human reproduction (Oxford, England)     Volume:  -     ISSN:  1460-2350     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8701199     Medline TA:  Hum Reprod     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, 1st Floor, Block E, Prince of Wales Hospital, Shatin, New Territories, Hong Kong.
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