Sökning: "ovulation"

Visar resultat 26 - 30 av 56 avhandlingar innehållade ordet ovulation.

  1. 26. Folate, Hormones and Infertility : Different factors affecting IVF pregnancy outcome

    Författare :Tiina Murto; Anneli Stavreus-Evers; Agneta Skoog Svanberg; Sven-Eric Olsson; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Folate; folic acid supplement; homocysteine; hormones; infertility; IVF; lifestyle factor; MTHFR; predictive value; socioeconomic factor; women; Obstetrik och gynekologi; Obstetrics and Gynaecology;

    Sammanfattning : Various hormones have been studied as regards prediction of pregnancy outcome after infertility treatment, but no ideal candidate has been found. Folate and genetic variations in folate metabolism have also been associated with infertility, but it remains unclear how these factors affect IVF pregnancy outcome. LÄS MER

  3. 27. Progesterone receptor-mediated effects on apoptosis in periovulatory granulosa cells

    Författare :Emilia Rung; Göteborgs universitet; []
    Nyckelord :;

    Sammanfattning : The most common fate of developing ovarian follicles is demise due to a process known as atresia. Regulation of atresia is dependent on the developmental stage of the follicles, resulting in a continuous reduction of the number of follicles as they differentiate and grow towards ovulation. LÄS MER

  4. 28. Effects of mifepristone on the human endometrium and the fallopian tube during the luteal phase

    Författare :Xiaoxi Sun; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Mifepristone; endometrial receptivity; emergency contraception; PR-B; eNOS; IGFBP-1; PRL; HB-EGF; HB-EGF receptors HER1 and HER4;

    Sammanfattning : Mifepristone given postovulatory has been shown effective for contraception, but the precise mechanism of action is still poorly understood. A better understanding of the mechanisms of action of mifepristone, when used for contraception, is important for further development and optimizing the regimen of use. LÄS MER

  5. 29. Ovarian steroids in rat and human brain : effects of different endocrine states

    Författare :Marie Bixo; Bengt Winblad; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Progesterone; 5a-pregnane-3.20-dione; estradiol; testosterone; rat brain; human brain; PMSG-model; steroid anaesthesia;

    Sammanfattning : Ovarian steroid hormones are known to produce several different effects in the brain. In addition to their role in gonadotropin release, ovulation and sexual behaviour they also seem to affect mood and emotions, as shown in women with the premenstrual tension syndrome. Some steroids have the ability to affect brain excitability. LÄS MER

  7. 30. Proteins of the Inter-α-inhibitor Family : Biosynthesis, Plasma Clearance and Interaction with Extracellular Matrix Components

    Författare :Aneta Kaczmarczyk; Erik Fries; Anders Malmström; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Biochemistry; bikunin; inter-α-inhibitor; pre-α-inhibitor; intracellular processing; plasma clearance; extracellular matrix; binding; collagen; Biokemi; Biochemistry; Biokemi; Medical Biochemistry; medicinsk biokemi;

    Sammanfattning : Bikunin, a chondroitin sulfate-containing protein of 25 kDa, has protease inhibitory activity and occurs in the plasma in free and complexed form. In inter-α-inhibitor (IαI) and pre-a-inhibitor (PαI) it is covalently linked through its chondroitin sulfate (CS) chain to two or one other polypeptide of about 80 kDa – heavy chains 1 and 2 (H1, H2) and heavy chain 3 (H3) – respectively. LÄS MER