Egg donation in Spain is a widely used technique, linked mainly to delayed pregnancy. It is a treatment frequent in women over 40 years of age, in which the fertility falls significantly due to the reduction of the number and quality of eggs. In Spain, according to official data, published in the National Registry of…
Embryo donation treatment, egg donation or use of donor sperm requires parents to consider to tell their children, or not, where they come from. This issue is one of the main questions arising in patients facing a pregnancy through these techniques. There are patients who decide never to tell their children and others decide to do…
It is interesting to compare the results in IVF and egg donation in Spain and Europe, being Spain an important country in the reception of foreign patients, especially for these 2 types of treatment, and with results above the European average. Recording ART activity in Europe Since 1997, a group consisting of representatives of the…
Egg and sperm donation, anonymous or open? Egg and sperm donation are anonymous in Spain. Patients may not know personal information about their donor or vice versa. However, in many other countries as in the United States, Sweden, Austria, Australia, or New Zealand there are open gamete donation programs running for more than 20 years.…
Recessive genetic diseases happen when the two copies of the abnormal gene, responsible of a disease, must be present in order for the disease to develop. All genetic information is contained in 23 pairs of chromosomes and, within each chromosome, packaged in genes. We have two copies of each gene (alleles), one that we inherited…
Questions about the embryo transfer are generally related to the preparation and the technique followed. The procedure of embryo transfer is simple, but there are several details that we like to take care about, in order to make the embryo transfer as smooth as possible and minimize the impact that any external factor might have…