Fetal hunger and adverse environmental effect in adulthood and offspring is studied

To remind us that at least 800 million people are starving, something that that should not happen in the developed world in the twenty-first century except in extreme diets. In relation to this, in it is worth highlighting the negative effects of hunger on health, especially in...

Ethical problems relative to “embryo selection” to avoid multiple pregnancies

A recent article published in Fertility and Sterility(see HERE)  affirms that, in the last four decades, some advances have been made in the pregnancy rate obtained by in vitro fertilization (IVF). However, this apparent success is accompanied by the disadvantage of a vast...

Frozen embryos donation figures. Human embryos transferred increased over the years

It is difficult to find objective data on the practice of embryo donation. Now, a study published in the American Journal of Obstetrics and Gynecology has provided data on this topic for the period 2000 to 2013 in the United States. As we know, with the use of in vitro...

Behavior of the father before conception affects the child’s development

A recent article published in the journal JAMA  states that a man’s behavior and his exposure to different environmental factors before conception may determine the development and future health of his offspring, and can result in obesity, diabetes, cardiovascular diseases,...

CRISPR: the genome editing tool reveals the keys to embryonic development

At the beginning of 2016, the United Kingdom Human Fertilisation and Embryology Authority (HFEA) announced that it had approved a request from the Francis Crick Institute to use the new genome-editing techniques in human embryos for the first time in the country. The aim was to...

Cryopreservated embryos is continuously increasing. Millions of frozen embryos only in the United States banks

Millions of frozen embryos only in the United States banks Numerous medical and ethical issues arise regarding the subject of freezing of embryos leftover after a cycle of in vitro fertilisation. There are three issues which deserve our attention: 1. Regarding the number of...

How do adverse major psychological maternal stress during pregnancy affect life expectancy of newborns?

It is affirmed that intrauterine exposure to a major psychological maternal stress affect son longevity in adulthood There is abundant medical evidence that exposure to adverse circumstances during the first few months of pregnancy can affect the vulnerability of the newborns in...

The human embryo mapped in three dimensions. Technique and bioethical approach

A team of researchers from the Institut Vision in Paris and the Jean-Pierre Aubert Research Centre, under the direction of Alain Chedotal, have managed to map the human embryo  in three dimensions (see HERE the published study), which, they believe, permit better understanding of...

CRISPR. Viable human embryos genetically edited in the USA. Technique and ethical controversies

Numerous complications could go unnoticed in this study On 26th July, the journal MIT Technology Review  announced that the CRISPR technique (see HERE) had been applied in human embryos for the first time in the United States, in a study led by embryologist Shoukhrat Mitalipov of...

Pre-embryo. This term is no longer used in current discussions regarding the nature of the embryo

Everything suggests that the term has been artificially created to justify the use of embryos for IVF and biomedical experiments A recent article has studied the use of the term “pre-embryo” (see “Determining whether the preimplantation human embryo is a living...