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Study of Antenatal Care Completion Determinant Factors in kedougou Health District (Senegal)

Open Journal of Obstetrics and Gynecology 2020年第10期10卷 1449-1470页

作者： Babacar Biaye David Ngom Moussa Ndiaye Fode Danfakha Omar Gassama Abdoul Aziz Diouf Adama Faye Dembo Guirassi Alassane Diouf Jean Charles Moreau Aristide Le Dantec Teaching Hospital Dakar Senegal kedougou Health District Kedougou Senegal Public Health Department Cheikh Anta Diop University Dakar Senegal Reproductive Health Department/Health Ministry Dakar Senegal

Introduction: Maternal mortality is a public health problem of more concern to developing countries. As part of improving the maternofoetal prognosis during pregnancy and childbirth, it is essential to carry out regular follow-ups of pregnant women (FE) through antenatal consultations (ANC). In fact, the World Health Organization (WHO) recommends at least four ANC at regular intervals during pregnancy. In Senegal the completion rate varies greatly depending on the region. In the District of Kédougou it was 41% in 2017 (DHIS2). The national target was not achieved despite the interventions. Thus we studied the determinants of CPN completion in the health district of Kedougou in 2017. Method: The study is of a descriptive and analytical cross-sectional type and concerned a sample of 884 women who gave birth between October 2017 and September 2018. They were chosen by a sample whose distribution in the district was made according to the quota method while respecting the demographic weight of each area of responsibility of the District. Results: The results of our study showed that the average age of women was 24 years with an average number of pregnancies equal to 3. The ANC completion rate at 37% was lower than the administrative data rate which was 41%. The determinants with a statistically most significant link with the completion of ANC are respectively satisfaction with the care and quality of service, the level of information of women regarding PNC, marital status, affordability and distance from the location of t

关键词： Prenatal Consultation Completion kédougou

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Tele-Analytical Characterization of the Eburnean Tectonic Structures within the Birimian Formations of Mako Area, Eastern Senegal

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International Journal of Geosciences 2022年第1期13卷 12-32页

作者： Ibrahima Gassama Moussa Dabo Emmanuel Tama Samoura Mamadou Ndiaye Department of Geology School of Science and Technology Sheikh Anta Diop University Dakar Senegal Géosciences Rennes UMR 6118 CNRS Université de Rennes 1 Campus de Beaulieu Rennes France

The tectonic structures of the Mako area in the kédougou-kéniéba inlier (kkI) were mapped with tele-analytical investigation which is validated by field data. This study is based on different images processing in particular: 1) the colored combinations (1 to 5) and panchromatic (8) thematic mapping bands of the Landsat-8 (ETM+) satellite;2) Digital Elevation Model (DEM) image of Space Shuttle Radar Topography Mission (SRTM);3) airborne geophysics (aeromagnetic and radiometric) images. In these images, four major directions of lineaments NS, NNE-SSW, NW-SE and EW would be related to the tectonic structures, have been identified and mapped. Field data confirm these four structural directions and show that most of these lineaments are related to faults, shear and/or thrust zones, or even basic rock dykes. N-S to NE-SW oriented lineaments are more frequent followed by those NW-SE oriented. These two directions of lineaments are generally in correlation with trajectories of major sinistral shear zones in the Mako area. They would be associated with the S2a and S2b schistosities relative to the D2 Eburnean major deformation. They often intersect the E-W oriented lineaments which are less frequent and sometimes folded and crenulated. This E-W oriented linea

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New Approach of Geomechanical Properties by Scale Effect and Fractal Analysis in the kedougou-kenieba Inlier (Senegal-West Africa)

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Geomaterials 2013年第4期3卷 145-155页

作者： Déthié Sarr Meissa Fall Papa Malick Ngom Mamadou Gueye Département de Géologie FST-UCAD Université Cheikh Anta Diop de Dakar Dakar Sénégal Institut des Science de la Terre FST-UCAD Université Cheikh Anta Diop de Dakar Dakar Sénégal Laboratoire de Mécanique et Modélisation UFR Sciences de l’ Ingénieur Université de Thiès Thiès Sénégal

This paper shows geometric aspects of rock masses in the Senegalese side of kédougou-kéniéba inlier. The studies are done in one part on sedimentary rocks (represented by sandstones) with stratification and on the other part in igneous rocks (represented by basalts). Geometric studies are the fractal configuration and the scale effect. Scale effect is stud- ied by comparing the results of mechanical tests done in the laboratory and on outcrops. For all samples, laboratory pa- rameters are higher than values of field. In this paper, scale effect is characterized by the decrease of mechanical pa- rameters from laboratory samples to field. The scale coefficient is defined and characterizes the relation between me- chanical properties. More importantly, the scale effect is more significant. This scale effect depends largely on the rock anisotropy. The anisotropy depends on the fracturation and the filling. The scale effect takes into account the fracturation, the filling minerals and their diversity which define the complexity of the rock. The anisotropy is complex;the impact of scale effect traduced by an increase of scale coefficient is the highest. Configuration of discontinuities also defines fractal geometry. This fractal aspect appears on the asperities, the spacing and the apertures of discontinuities. The fractal dimension is different from a parameter to another. All these two parameters estimate the stage of fracturation of the rock in a geological system and depend one on another if they are studied in the same element.

关键词： Rock Scale Effect Fractal kédougou Sedimentary Igneous

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