Search Results - "van Kooij, R.J."

A new Dutch Law regulating provision of identifying information of donors to offspring: background, content and impact by Janssens, P.M.W., Simons, A.H.M., van Kooij, R.J., Blokzijl, E., Dunselman, G.A.J.

“…In 2004 a law was introduced in The Netherlands, which gives offspring conceived by semen or oocyte donation the right to know the identity of the donor. The…”
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Comparison between intracytoplasmic sperm injection and in-vitro fertilization (IVF) with high insemination concentration after total fertilization failure in a previous IVF attempt by Kastrop, P.M.M., Weima, S.M., Van Kooij, R.J., Te Velde, E.R.

“…The aim of this prospective study was to evaluate whether couples with total fertilization failure in a previous in-vitro fertilization (IVF) attempt should be…”
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General ageing and ovarian ageing by Dorland, M, van Kooij, R.J, te Velde, E.R

“…The age related decrease in female fertility is associated with a decrease in follicle numbers and oocyte quality. Meiotic division errors, mitochondrial DNA…”
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P-178. Ageing of cumulus cells by Dorland, M., Hol, S., van Kooij, R.J., te Velde, E.R.

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P-109. Outcome of a second IVF attempt is related to the time interval between the first and second treatment cycles by Dorland, M., van Kooij, R.J., Nijhuis, H., te Velde, E.R.

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R-205. Protein C inhibitor/plasminogen activator inhibitor-3 is present in the mouse ovary and is down-regulated by human chorionic gonadotrophin treatment by Wagenaar, G.T.M., Tiekstra, M.J., Dorland, M., Meijers, J.C.M., van Kooij, R.J.

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R-023. The use of photographs and computer pictures (JPEG) for the evaluation of sperm morphology in external quality assessment schemes by van der Horst, F.A.L., van Kooij, R.J., Mijnes, F., Seidl, B.H., Letteboer, S., Koenders, J., Vreeburg, J.T.M.

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P-186. Percentage of metaphase II oocytes in relation to pregnancy rates after ICSI by Elbertse, J.M.T., Kastrop, P.M.M., Van Kooij, R.J., Weima, S.M., Te Velde, E.R.

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Influence of polymorphonuclear granulocytes on the zona-free hamster oocyte assay by Vogelpoel, F R, van Kooij, R J, te Velde, E R, Verhoef, J

“…To gain more insight into a possible detrimental influence of polymorphonuclear granulocytes (PMN) on fertility, PMN were added to spermatozoa and oocytes in…”
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Human sperm movement assessed with the Hamilton-Thorn motility analyzer and in vitro fertilization by Mak, C, van Kooij, R J, Eimers, J M, te Velde, E R

“…The relationship between sperm movement characteristics obtained by computerized analysis and the in vitro fertilization rates of human oocytes was studied. In…”
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Oocyte penetration and acrosome reactions of human spermatozoa. I: Influence of incubation time and medium composition by van Kooij, R J, Balerna, M, Roatti, A, Campana, A

“…Washed sperm suspensions were evaluated for their ability to penetrate zona-free hamster oocytes and to exhibit an acrosome reaction in vitro. The percentage…”
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Oocyte penetration and acrosome reactions of human sperms. II: Correlation with other seminal parameters by van Kooij, R J, Balerna, M, Roatti, A, Campana, A

“…Washed sperm suspensions of fertile men and men consulting for infertility were evaluated for their ability to penetrate zona-free hamster eggs and for their…”
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Synthesis of a mucous glycoprotein in the human uterus by van Kooij, R J, Roelofs, H J, Kathman, G A, Kramer, M F

“…Scrapings of endometrium and uterine contents of 10 women were analysed. In the uterine lumina of two women that used synthetic progestagens, a considerable…”
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