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Sperm Quality

Assessment and Significance in Fertility Treatments

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Structure spermatozoon/oocyte | Photo: Shutterstock Egg and sperm cell are of equal importance for the development of the embryo. A closer look at the sperm factor suggests that the assessment of sperm quality followed by the selection of appropriate spermatozoa for the fertilization of the oocyte are important steps on the path towards the much

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Fertility Test for Everybody

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Icon Image | Photo: Shutterstock Sperm-Check using a smartphone app, ovulation tests, testing of hormone levels using ready-to-use test kits … Fertility tests for self-/home testing are not entirely new, but obviously there are ever more inventive products featuring supposedly greater user friendliness. This, of course, arouses the interest of many men and women. US

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Myths vs. facts of male sexuality

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Icon Image | Photo: Shutterstock My previous blog post (see links) has dealt with sexual myths from their beginnings right up to the present day. Against this background, I would like to pursue the following questions on the basis of two examples: What are the myths on male sexuality that still persist today? Can current

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Towards happiness of fatherhood

TESE – sperm retrieval procedure for “in vitro fertilization”

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Icon Image | Photo: Shutterstock IVF treatment (IVF/ICSI/IMSI) involves the fertilization of the egg cell by a sperm outside the female body in the laboratory. In some cases, however, sperms have to be collected directly from the man’s testes during a minor surgical intervention called TESE – “Testicular Sperm Extraction”. The TESE procedure is used

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From Venus to Casanova all the way to Marilyn Monroe…

Sexual myths and their impact on our life today

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Icon Image | Photo: Shutterstock Since time began, people concern themselves with sexuality, the wish to have children and symbols of fertility. Firmly anchored with our “deepest yearnings and wishes”, the first myths were born. Emergence of myths The origin and thus the deep rootedness of myths are just as old as the history of

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“You are what you eat”

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Icon Image | Photo: Shutterstock Due to modern reproductive medicine which is aimed at identifying in detail the reasons for involuntary childlessness, the so-called “paternal effect” increasingly becomes the focus of research attention. This also holds true for the IVF Centers Prof. Zech, where the focus is placed on the medical evaluation of clinical findings

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Stress test for spermatozoa

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Stress test for spermatozoa

Egg and sperm contribute equally to the successful development of the embryo. Nuclear vacuoles in the sperm head are associated with reduced natural fertility in men. Questions arise about what causes the nuclear vacuolization. Do we, as biologists, even promote the development of vacuoles in the laboratory without knowing?

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Having kids despite non-vital sperm

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No man wants to hear it – yet it is possible that the involuntary childlessness is due to male-related fertility issues resp. poor semen quality. Luckily, there are now techniques permitting to conceive children in spite of male factor subfertility.  

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