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Spontaneous pregnancy reaches viability after low first trimester serum progesterone: a case report.
MedLine Citation:
PMID:  22523880     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
BACKGROUND: Progesterone is produced by the corpus luteum until completion of the luteal-placental shift at approximately 6-10 weeks following last menstruation. Studies have shown that first trimester progesterone levels are predictive of pregnancy viability, and some authors support a level of 5 ng/mL as an absolute threshold to indicate viability.
CASE: A 47-year-old woman with recurrent pregnancy loss was noted to have a very low first trimester progesterone level (1.2 ng/mL), but the pregnancy progressed to viability. She unfortunately delivered an intrauterine fetal demise at 27 weeks and 3 days' gestation.
CONCLUSION: A single serum progesterone level of < 5 ng/mL is suggestive, but not diagnostic, of a nonviable pregnancy. Routine uterine curettage during the evaluation of a pregnancy of unknown location using this level as an absolute cutoff may result in the interruption of a desired, viable pregnancy.
Authors:
John R Crochet; Mary C Peavey; Thomas M Price; Millie A Behera
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of reproductive medicine     Volume:  57     ISSN:  0024-7758     ISO Abbreviation:  J Reprod Med     Publication Date:    2012 Mar-Apr
Date Detail:
Created Date:  2012-04-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0173343     Medline TA:  J Reprod Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  171-4     Citation Subset:  IM    
Affiliation:
Division of Reproductive Endocrinology and Fertility, Duke University Hospital, Durham, North Carolina, USA. john.crochet@duke.edu
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