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Gestational length assignment based on last menstrual period, first trimester crown-rump length, ovulation, and implantation timing
PURPOSE: Understanding the natural length of human pregnancy is central to clinical care. However, variability in the reference methods to assign gestational age (GA) confound our understanding of pregnancy length. Assignation from ultrasound measurement of fetal crown-rump length (CRL) has supersed...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer Berlin Heidelberg
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5018029/ https://www.ncbi.nlm.nih.gov/pubmed/27469987 http://dx.doi.org/10.1007/s00404-016-4153-3 |