Document Detail

Maternal body mass index and serum concentrations of human chorionic gonadotropin in very early pregnancy.
MedLine Citation:
PMID:  22769733     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To study the association of maternal prepregnancy body mass index (BMI) with serum concentrations of hCG in early pregnancy. DESIGN: Cross-sectional study. SETTING: Oslo University Hospital, Norway, 1996-2010. PATIENT(S): Among 3,301 pregnancies with live-born offspring conceived after assisted reproductive techniques, 2,611 women had information on serum hCG concentrations on day 16 after ovulation induction and prepregnancy BMI: 2,110 mothers with singleton and 501 mothers with multiple pregnancy. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Human chorionic gonadotropin concentration. RESULT(S): Geometric mean hCG concentration was higher in multiple pregnancies (190 IU/L) than in singleton pregnancies (106 IU/L). In singleton pregnancies geometric mean serum concentration decreased from 117 IU/L in women with BMI <20 kg/m(2) to 86 IU/L in women with BMI ≥35 kg/m(2). In multiple pregnancies, the corresponding decrease was from 226 IU/L to 130 IU/L. There was a significant negative association of BMI with hCG concentrations log transformed in the study sample as a whole (regression coefficient -0.013), in singleton pregnancies (regression coefficient -0.012), and in multiple pregnancies (regression coefficient -0.03). CONCLUSION(S): Serum hCG concentrations were negatively associated with maternal prepregnancy BMI. One possible explanation may be an effect of adipose tissue-derived signaling molecules on hCG secretion by the implanting embryo.
Anne Eskild; Peter Fedorcsak; Lars Mørkrid; Tom G Tanbo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-4
Journal Detail:
Title:  Fertility and sterility     Volume:  -     ISSN:  1556-5653     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372772     Medline TA:  Fertil Steril     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.
Department of Obstetrics and Gynecology and Institute of Clinical Medicine, Akershus University Hospital, Lørenskog, Norway; Department of Mental Health, Norwegian Institute of Public Health, Oslo, Norway.
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