Owing to sociocultural and economic factors, there has been a considerable increase in recent years in the number of men over the age of 35 who wish to have children. As a couple ages, the […]

Before seeking pregnancy, women generally plan their gestation and take nutritional supplements, such as folic acid, which is fundamental for the prevention of defects of the neural tube in the foetus. For greater assurance that […]

In most laboratories, embryo transfer traditionally takes place on day 2 to 3 of culture, or during blastocyst stage, whilst embryo transfer on day 4 is an alternative that has not commonly been adopted into laboratory practice. When compared with […]

From the very moment when sperm fertilises an ova, a new embryo starts developing and a large number of cell divisions take place. This embryo development is observed in an in vitro fertilisation laboratory up until the […]

Índice1 Are sterility and infertility the same?2 When is there a fertility issue?3 When is there an infertility issue?4 What is the difference between primary and secondary sterility?5 What is the difference between primary and secondary […]

Pre-implantation genetic diagnosis (PGD) is a technique that provides a ‘genetic understanding’ of the embryo before it is transferred to the uterus. Thanks to this technique, we are able to study the embryo’s chromosomal make-up and […]

Cholesterol plays an essential role in ensuring that our organism works correctly. Its impact on the heart is still given priority in terms of analysis because of the elevated impact and frequency of diseases of […]

Genetics guidance is the exchange through which an expert in genetics provides patients and their families with information and support on a genetic condition, inheriting that condition, the risk of recurrence and the implications for the individual and his […]

Progesterone is one of the most important hormones in a woman’s metabolism and fertility. It is produced by the ovaries following ovulation during a normal menstrual cycle but when a woman is pregnant the placenta takes over […]

It is possible to determine the gender of a future baby (embryo) before transfer takes place. In fact, this strategy has been used for many years in order to avoid the transmission of sex chromosome […]