Andrological and cytogenetic investigations of an infertile Przewalski’s stallion

I-1: The Andrological Counselling of the Infertile Men

Background: Infertility is defined as the inability of a sexually active, non-contracepting couple to achieve spontaneous pregnancy in one year. About 15% of couples do not achieve pregnancy within one year and seek medical treatment for infertility. One out of eight couples encounters problems when attempting to conceive a first child and one in six when attempting to conceive a subsequent chi...

Cytogenetic investigations of solid tumours of children.

The association of non-random chromosome abnormalities with solid tumours of childhood may improve accuracy of diagnosis and prognosis and lead to a better understanding of their biology. In a pilot study in the Northern region of England fresh tumour biopsy specimens were obtained from 39 to 72 consecutive solid tumours in children who presented over a period of 21 months. Cytogenetic analysis...

development and implementation of an optimized control strategy for induction machine in an electric vehicle

in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...

Molecular cytogenetic analysis of a ring-Y infertile male patient.

In the present study, we report on the case of a 43-year-old male patient seeking for fertility assistance, who showed a seminal analysis and testicular biopsy of complete azoospermia. Peripheral blood culture for chromosome studies revealed a karyotype of 46 chromosomes with a ring-Y-chromosome that lost the long arm heterochromatin. Molecular analysis of genomic DNA from the patient detected ...

Cytogenetic Investigations in Couples with Male Sterility