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Uptake of in-vitro fertilization among couples attending fertility clinic in a tertiary health institution

Asian pacific Journal of Reproduction 2022年第1期11卷 12-19页

作者： Mabel Olubunmi Omobude Olaolorunpo Olorunfemi fidelis uchendu okafor Department of Reproductive Health Nursing Edo State College of Nursing ScienceBenin CityEdo StateNigeria Department of Medical Surgical Nursing Faculty of Basic Medical ScienceFederal UniversityOye-EkitiEkiti StateNigeria Department of Nursing University of BeninBenin CityNigeria

Objective:To identify factors that determine the uptake of in-vitro fertilization(IVF),and to determine the predicting effect of the identified factors on the uptake of IVF among couples attending fertility clinic at a tertiary health institution in Benin City,***:This study adopted a cross-sectional descriptive design.A self-structured questionnaire tested was validated and administered to 250 couples who attended fertility *** were collected from March 2021 to June 2021 and were analyzed using the Statistical Package for Social Science(SPSS)version *** were presented and interpreted using descriptive statistics and inferential statistics such as Chi-square,univariate statistics and multivariate logistic regression ***:Among 250 couples,154(61.6%)were willing to adopt *** multivariate logistic regression analysis showed that catholic religion[odds ratio(OR)0.21,95%confident interval(CI)0.54-0.73],family income(OR 1.50,95%CI 1.10-2.00)and age(OR 1.04,95%CI 1.01-1.10)were the major factors that determined the uptake of IVF,with P-value of<0.001,0.018 and 0.031,***:The uptake of IVF could be sustained or improved on,if the government should improve on the cost of living for families,and religious leaders need to be encouraged to pass on the information about IVF to their members to be well guided about the possibilities of IVF.

关键词： Uptake of IVF Couples’age Family income Catholic religion Cost of living Nigeria

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Calibration of Four Nonlinear Failure Envelopes from Triaxial Test Data and Influence of Nonlinearity on Geotechnical Computations

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Geomaterials 2021年第2期11卷 42-57页

作者： Amaechi J. Anyaegbunam fidelis O. okafor Department of Civil Engineering University of Nigeria Nsukka Nigeria

It is now recognized that many geomaterials have nonlinear failure envelopes. This non-linearity is most marked at lower stress levels, the failure envelope being of quasi-parabolic shape. It is not easy to calibrate these nonlinear failure envelopes from triaxial test data. Currently only the power-type failure envelope has been studied with an established formal procedure for its determination from triaxial test data. In this paper, a simplified procedure is evolved for the development of four different types of nonlinear envelopes. These are of invaluable assistance in the evaluation of true factors of safety in problems of slope stability and correct computation of lateral earth pressure and bearing capacity. The use of the Mohr-Coulomb failure envelopes leads to an overestimation of the factors of safety and other geotechnical quantities.

关键词： Calibration of Nonlinear Failure Envelope Triaxial Test Data Modified Maksimovic Envelope Power-Type Envelope Polynomial-Type Envelope Hoek-Brown Envelope Standard Error of Estimate

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