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…
The transfer of donated embryos, or embryo donation, is the transfer of embryos given by a couple (after IVF) to a recipient for the purpose of pregnancy. These donated embryos are frozen, and come from couples who have mostly achieved pregnancy through in Vitro Fertilization and are unwilling to use their frozen embryos for future…
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…