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PETAbout UsPeopleProfessor Guido Pennings

Professor Guido Pennings

BioNews Articles by Professor Guido Pennings

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
Comment
16 May 2022 • 4 minutes read

Mitochondrial transfer: first for fertility treatment, then for mitochondrial diseases

by Professor Guido Pennings

Australia recently passed legislation explicitly allowing mitochondrial donation...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
Comment
27 November 2020 • 3 minutes read

Why we should use mild stimulation in egg donation

by Professor Guido Pennings

There are two strong ethical reasons to avoid harm to egg donors: a duty to minimise harm and the proportionality rule...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
Comment
17 August 2020 • 4 minutes read

Expanded carrier screening: ignoring the interests of gamete donors?

by Professor Guido Pennings

More and more fertility centres are imposing expanded carrier screening (ECS) on their gamete donors. ECS allows for the detection of the carrier status of hundreds of recessive disorders in donors who are not at an increased risk...

Image by Bill Sanderson via the Wellcome Collection, © Wellcome Trust Ltd 1990. Depicts Laocoön and his family (from Greek and Roman mythology) entwined in coils of DNA.
Image by Bill Sanderson via the Wellcome Collection, © Wellcome Trust Ltd 1990. Depicts Laocoön and his family entwined in coils of DNA (based on the figure of Laocoön from Greek and Roman mythology).
Comment
17 May 2019 • 4 minutes read

Looking for genetic relatives in genetic databases is harmful and wrong

by Professor Guido Pennings

More and more people are using DNA testing websites. The curiosity about one's ancestry seems to be growing, especially in the USA. In doing so, millions of people are giving away all rights to their genetic information without much concern about what can

Image by Bill Sanderson via the Wellcome Collection, © Wellcome Trust Ltd 1990. Depicts Laocoön and his family (from Greek and Roman mythology) entwined in coils of DNA.
Image by Bill Sanderson via the Wellcome Collection, © Wellcome Trust Ltd 1990. Depicts Laocoön and his family entwined in coils of DNA (based on the figure of Laocoön from Greek and Roman mythology).
Comment
19 May 2017 • 3 minutes read

Donor children do not benefit from being told about their conception

by Professor Guido Pennings

For some years now, counsellors and psychologists have been spreading the message that it's in the best interest of children to know if they are donor conceived. However, my recent literature review has shown that there is in fact very little empirical ev

Image by Bill Sanderson via the Wellcome Collection, © Wellcome Trust Ltd 1990. Depicts Laocoön and his family (from Greek and Roman mythology) entwined in coils of DNA.
Image by Bill Sanderson via the Wellcome Collection, © Wellcome Trust Ltd 1990. Depicts Laocoön and his family entwined in coils of DNA (based on the figure of Laocoön from Greek and Roman mythology).
Comment
14 March 2016 • 3 minutes read

Disrespectful and immoral: retrospective legislation on donor anonymity

by Professor Guido Pennings

The State Legislature of Victoria has decided unilaterally to break their agreements with the sperm donors who donated before 1998 and will reveal their identity. It is difficult to imagine a measure that shows more disrespect for both donors and recipients...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
Comment
18 June 2009 • 3 minutes read

Cross-border reproductive care in Europe

by Professor Guido Pennings

The European Society for Human Reproduction and Embryology (ESHRE) has been concerned about the development of cross-border infertility treatment for some time. There are three reasons for this: the frequently negative publicity for infertility treatment presented as 'reproductive tourism', the increasing numbers and the risks for patients. ESHRE has taken...

Image by Bill McConkey via the Wellcome Collection. Depicts sperm swimming towards an egg.
CC BY 4.0
Image by Bill McConkey via the Wellcome Collection. Depicts sperm swimming towards an egg.
Comment
18 June 2009 • 2 minutes read

Egg sharing and reimbursement of IVF

by Professor Guido Pennings

Egg sharing remains a highly controversial procedure. The discussion on whether or not egg sharing in return for a free or reduced IVF cycle constitutes a kind of payment has been going on since the very beginning of the practice. However, from an ethical point of view, it might be...

Image by Bill McConkey via the Wellcome Collection. Depicts sperm swimming towards an egg.
CC BY 4.0
Image by Bill McConkey via the Wellcome Collection. Depicts sperm swimming towards an egg.
Comment
18 June 2009 • 2 minutes read

Sperm and egg donation: a system of need-adjusted reciprocity

by Professor Guido Pennings

The abolition of gamete donor anonymity has led to a greater shortage of candidate donors (including sperm donors) in several countries. All kinds of solutions have been proposed, including increased payment. Another solution, namely egg sharing, has been criticised by some as morally dubious. In the meantime, as the SEED...

PET BioNews
Comment
18 June 2009 • 2 minutes read

A 'social compensation tax' for social sexing

by Professor Guido Pennings

The recommendations of the recent report by the House of Commons Science and Technology Committee in the UK have stirred up the discussion on social sex selection. Over the years, the discussion on sex selection has been seriously hampered by the high emotional engagement of the participants. As a consequence...

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27 June 2022 • 4 minutes read

Thirty years of PET: our 'Fertility, Genomics and Embryo Research' report

27 June 2022 • 5 minutes read

Children's rights and donor conception: What next?

20 June 2022 • 4 minutes read

The problems with lifting donor anonymity earlier

20 June 2022 • 6 minutes read

An adaptive act: How should human fertilisation and embryology legislation respond to scientific and technological change?

13 June 2022 • 1 minute read

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