Search for dissertations about: "female fertility"

Showing result 6 - 10 of 94 swedish dissertations containing the words female fertility.

  2. 6. Sex, Sperm and Speciation : On sexual selection and fertility in hybridizing flycatchers

    Author : Murielle Ålund née Podevin; Anna Qvarnström; Simone Immler; Leonie Moyle; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; sperm biology; sexual selection; speciation; hybridization; cryptic female choice; fertility; Ficedula flycatchers; Biologi med inriktning mot zooekologi; Biology with specialization in Animal Ecology;

    Abstract : Sexual reproduction entails complex co-evolution between the sexes, necessary for successful fertilization, ensuring individual and population-level fitness. Interfertility is the main criterion for species definition and understanding speciation requires detailed studies of reproductive barriers. READ MORE

  4. 7. Welfare, Security and the Level of Fertility: A Global Analysis, 1985 and 1995

    Author : Edgar Iglesias; Ekonomisk-historiska institutionen; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Social and economic history; female-male inequalities.; breastfeeding; marriage; fertility; contraceptive use; Ekonomisk och social historia;

    Abstract : Aims: This study aims to find an explanation for differentials in the level of fertility through the analysis of the recent data of seventy-eight developed and developing countries. The main approach adopted is the specification of a macroeconomic interdependent model testing hypotheses within an institutional point of view. READ MORE

  5. 8. The impact of gonadotropin receptor polymorphisms on human reproductive function

    Author : Ida Lindgren; Malmö Molekylärgenetisk reproduktionsmedicin; []
    Keywords : FSHR; LHCGR; single-nucleotide polymorphism SNP ; in vitro fertilization IVF ; reproduction; Infertility; male fertility; female fertility;

    Abstract : To date, approximately 15% of all couples worldwide suffer from infertility. The management include controlledovarian hyper-stimulation of the women with follicle-stimulating hormone (FSH) and semen analysis of the men,prior to in vitro fertilization (IVF) and transfer of the fertilized embryo to the uterine cavity. READ MORE

  6. 9. Changes in Workplaces and Careers

    Author : Christina Håkanson; Per Krusell; Claudia Olivetti; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Technical change; skill sorting; cognitive skills; non-cognitive skills; employer-employee matched data; organizational change; female labor supply; fertility; flexibility; family-career trade-off; Economics; nationalekonomi;

    Abstract : Organizational Change and Productivity Growth − Evidence from SwedenThis paper uses two different firm level surveys matched with employer-employee data to investigate both determinants and effects of different types of organizational change. The results support the competition hypothesis for inducing organizational change. READ MORE

  7. 10. Hitting the mark : studies of alterations in behaviour and fertility in ethinyl estradiol-exposed zebrafish and search related biomarkers

    Author : Nasim Reyhanian Caspillo; Inger Porsch Hällström; Per-Erik Olsson; Håkan Olsén; Leif Norrgren; Örebro universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Endocrine disrupting compounds; 17α-ethinylestradiol; fertility; anxiety; behaviour; zebrafish; biomarkers; stress; Biology; Biologi;

    Abstract : In this thesis, we have analysed the effects of EE2 on non-reproductive behaviours and fertility. We have showed that two doses of EE2 in male adult short-term exposures evokes opposite behaviours in the novel tank test. READ MORE