28 February, International Rare Disease Day

Currently, preimplantation genetic diagnosis (PGD) conducted by fertility clinics like ProcreaTec reduces the risk of passing on rare diseases by 98% According to the Spanish Federation of Rare Diseases, rare diseases are: Illnesses that have a low incidence rate or occur infrequently within the population. To be considered rare, each specific disease can only affect a limited number of the total population, defined in Europe as less than 1 per 2,000 citizens (EC Regulation on Orphan Medicinal Products). It is … Continue reading 28 February, International Rare Disease Day

Travelling for egg donation

The thought of having to travel for egg donation is always stressful for a couple if they have to do so. How long will they have to stay in the city where the egg donation will take place? Where will they stay? How will they get there? How much will it cost? Don’t get overwhelmed with anxiety; the centre’s coordination and patient care service will help you, providing support at all stages of the process. Duration of the visit First … Continue reading Travelling for egg donation

Sperm Donation in Spain

Infertility problems affect both men and women equally. There are lots of male related factors that can prevent pregnancy from occurring. Certain diseases can be tackled with specific treatments but in other cases the couple must seek sperm donation. Who is it for? Couples that are affected by sterility: absence of or low sperm count, total or almost total sperm immobility, abnormalities in all or almost all male gametes. Couples that are carriers of genetic disorders with a high probability … Continue reading Sperm Donation in Spain

Questions and answers about egg and embryo donation in IVF treatment

Egg donation How is a donor selected? In a previous article, we talked about the donor selection process that people must undergo before starting on the egg donor programme. Not only must donors meet certain legal requirements but they must also fulfil comprehensive medical requirements, including psychological evaluation, genetic screening and lifestyle habits. Is there a long waiting list? Donor availability varies depending on the fertility centre and at some centres there may be a waiting list of up to … Continue reading Questions and answers about egg and embryo donation in IVF treatment

IVF. What next?

Assisted reproduction treatment is no easy option. The couple or woman may have to undergo a number of disappointing failed attempts. Despite the hopes pinned on the ‘last treatment’, medical experts have a duty to advise and orientate their patients on the most suitable treatment. What should people do if IVF treatment is unsuccessful, and how should they decide whether to use a different technique? IVF (In Vitro Fertilisation) is a laboratory process in which eggs extracted from the affected … Continue reading IVF. What next?

Fertile dates – today we help you calculate when they are

Today we want to show you how to calculate your fertile dates to prevent you from feeling stressed or worrying that you may have got it wrong. Generally, women with regular menstrual cycles have cycles lasting around 28 to 30 days, counting from the first day of a period. The middle days of the cycle are when a woman is most fertile. But what happens if the cycle is not regular? What day will you ovulate and when can you … Continue reading Fertile dates – today we help you calculate when they are

How are egg donors selected?  

In today’s day and age everybody knows what different assisted reproduction methods are available – artificial insemination, in vitro fertilisation and also receiving donated eggs. But do we know how egg donors are selected in fertility centres? The egg donation programme selection process, known as OVODONA at ProcreaTec, is straightforward. Women must fulfil strict criteria so that we ensure people receive fertility treatment with maximum safety throughout all aspects of the treatment. This is why the process involves a number … Continue reading How are egg donors selected?  

Can eggs be re-energised?


In 2012, the biologist Jonathan Tilly and his team of Harvard researchers announced that they had found some precursor stem cells in female eggs. In April 2015, Zain Rajani was born in Canada, the first baby to be born using the technique discovered by Tilly in 2012. The news story, published in TIME magazine, explains how stem cells inserted into healthy eggs can still divide and thus help improve the egg quality of older women. The company OvaScience, which conducted … Continue reading Can eggs be re-energised?

EmbryoGlue and Assisted Hatching


What is it used for? When is it used? EmbryoGlue What is it? EmbryoGlue is a transfer method which has been in use since 2003. It improves implantation success by using a combination of hyaluronic acid and recombinant albumin. Hyaluronic acid is a natural compound found in all human tissue, especially in the uterus. There are high quantities of hyaluronic acid in cells surrounding the egg. What is it used for? A study published following meta-analysis 1 by the Cochrane … Continue reading EmbryoGlue and Assisted Hatching

Does the use of vitrified eggs affect the results?

vitrified eggs

The first pregnancy with vitrified eggs occurred in 1986. However, due to diverse restrictions and a lack of technical perfection, only now has a study been published demonstrating to what extent vitrified eggs affect the success rates of assisted reproduction treatments. Currently, nearly 90% of vitrified eggs survive the devitrification process. Based on the latest results in 2013, the scientific community has concluded that egg cryopreservation should no longer be categorised as an experimental treatment but should be considered routine … Continue reading Does the use of vitrified eggs affect the results?