Reproductive biology

The embryo transfer procedure is one of the most crucial and decisive procedures carried out during an in vitro fertilisation (IVF) treatment. For this process to be successful, the culture media in which the embryos […]

When in vitro fertilisation treatment commences, one of the aims is to try and achieve an appropriate number of good quality embryos in the laboratory so that the best ones can be selected and transferred. Whilst the Spanish law […]

Whilst it is not part of the day-to-day routine at reproductive medicine clinics, it is now increasingly common to have to transport biological samples (oocytes, semen or embryos) from one clinic to another and even […]

Nowadays, many couples have to turn to gamete donation in order to make their dream of becoming parents come true. In cases such as these, the couple tends to have common and understandable doubts about […]

The risk of contracting HIV during unprotected sexual intercourse is estimated to be between 0.5 and 1%. For serodiscordant couples (one partner is a carrier), trying for a child naturally can entail an elevated risk […]

When an oocyte is in an optimum state of maturation, ovulation takes place. This is known as day 0 of development (D0) and fertilisation by a competent spermatozoon must take place during this period. When the oocyte […]

Cryptorchidism, from the Greek words kriptos (hidden) and orquis (testicle), is the failure of one or both testes to descend to the scrotum. It is estimated that between 2 and 5% of newborn boys have […]

Turner syndrome is a chromosomal condition caused by partial or total loss of one of the X chromosomes. All human beings have 23 pairs of chromosomes and this is what is known as the karyotype. […]

In vitro fertilisation treatment (IVF) techniques consist of fertilising oocytes with spermatozoa in a laboratory. They are held under conditions that are similar to their natural environment and, a few days later, the best embryo is selected and […]

Today’s post aims to explain the conclusions drawn from research performed by the Biology Department at Instituto Bernabeu in Alicante in collaboration with the Biotechnology Department at the University of Alicante. The work in question […]