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Master Thesis

La datation des grossesses après 14 semaines d’aménorrhée

Abstract : Objectives The objective of this work was to identify the practices of professionals for dating pregnancy after 14 weeks of amenorrhea. The goal is to study inter-professional variability, and depending on the term in this situation. Methods We set up a descriptive quantitative study by questionnaires in four departments of Île-de-France: Les Yvelines (78), Hauts-de-Seine (92), Essonne (91) and Val d'Oise (95). The questionnaire was sent by email to all the sonographers previously sought. This included a general part on the profile of sonographers and a part including clinical vignettes. Out of a total of 254 valid emails, we obtained 108 questionnaires, which corresponds to a response rate of 42.5%. We then collected and analyzed the data from the questionnaire. Results Our study showed a significant prevalence of the use of the head circumference measurement to date pregnancy after 14 weeks of amenorrhea. However, there is real variability depending on the characteristics of the professional. This variability increases as the term of pregnancy increases. Conclusion The precise determination of GA has demonstrated its importance in reducing maternal, fetal and neonatal morbidity but also by allowing appropriate monitoring of pregnancy. Our study revealed significant interprofessional variability in the choice of methods. Depending on the term, the HC measurement method stood out at 22 SA and 32 SA. As the term advanced, the disparities became greater. The standardization of practices for dating pregnancy after 14 weeks would allow better management of these.
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Agathe Favier. La datation des grossesses après 14 semaines d’aménorrhée. Gynécologie et obstétrique. 2020. ⟨dumas-03222189⟩

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