Can twin pregnancies be produced using IVF if only one embryo is transferred?

How is it possible?  Could it indicate that a diagnosis of the couple’s infertility must be required before starting an assisted procreation process? A recent study published in Fertility and Sterility evaluated the rate of twin pregnancies – both monozygotic (identical twins)...

Do the pregnancy and live birth rates using frozen embryos improve or reduces that of fresh embryos?

Since the advent of in vitro fertilization (IVF)  in 1978, fresh embryos have generally been used in the procedure. However, their use has the immediacy with which the clinic must act. As a result, in the last decade, the use of frozen human embryos has been implemented. In view...

Ectopic pregnancy. Ethical dilemma

All the interventions directly aimed at inducing the death of the embryo, despite attempts to justify them in order to protect the mother’s life are ethically reprehensible. What is an ectopic pregnancy? On very rare occasions, the embryo that begins its life after the...

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...

Finally law bans abortion. United States banned abortion of fetuses of more than 20 weeks

 Finally, a law bans abortion. “Science has proven foetus feel pain”, finally, it is recognized by politicians  Abortion is legal in many States of the USA. Now, the US House of Representatives has given the green light – by 237 votes in favor to 189 against – to a...

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...

Norway permitted to terminate one of the foetuses in the case of a twin pregnancy – Medical and ethical approach

Last year, the Norwegian Health Minister announced the news, published in a local newspaper, that it is now permitted in Norway to terminate one of the foetuses in the case of a twin pregnancy, using a technique known as “foetal reduction“, news that these days is...

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...