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It is considered that a couple should go to the Assisted Reproduction specialist when gestation has not been achieved after one year of sexual intercourse without any type of contraceptive protection. This period is indicative as it may vary according to age: for example, it is recommended to reduce it to 6 months from the age of 35.

Each technique has a pregnancy rate, and this varies greatly depending on the age of the patient. In vitro fertilization, for example, can reach 50% in younger patients, and egg donation offers gestation rates higher than 60%.

The origin and causes of infertility can be very varied. In general, it is established that in 40% of cases, the origin of infertility is in the male. In another 40% the origin will be in the female, and in the remaining 20% of cases a mixed causal factor appears. The most frequent male cause is the decrease in seminal quality, even the absence of sperm in ejaculation, although it is not the only one (Genetic Diseases, age, etc.).

At the female level, the most common cause of infertility is the woman’s age. The role of women in developed societies has changed greatly in recent years, leading to a delay in the age at which women seek gestation. From the age of 35, there is a decline in female fertility rates, which becomes more pronounced after the age of 38.

Infertility and/or sterility are generally spoken of interchangeably, but they are not really synonymous. Infertility is referred to as the impossibility of getting pregnant after a certain period of unprotected sexual intercourse. However, the term infertility refers to the inability to obtain gestations capable of evolving correctly (this would therefore include cases of repeated abortions, premature births…).

According to epidemiological studies published so far, about 15% of couples of reproductive age have some type of alteration at this level. In other words, one in six couples will need help in conceiving, although this trend is increasing.

Yes, in the case of men, a testicular biopsy is done to remove a seminal sample. The sperm obtained will be used to fertilize the eggs in the laboratory. In the case of the woman, an ovarian puncture is performed to remove the oocytes that will be fertilized with the sperm in the laboratory.

The leftover embryos will be cryo-preserved and, according to current legislation, may have the following uses:
  • Own use, for successive attempts both in the case that the first attempt has failed or in the face of having another child in the future.
  • Donation to other women or couples for reproductive purposes.
  • Donation for research purposes.
  • Destruction without other purpose. In this case, the law provides that it can only be done when the woman has completed her reproductive stage and is medically justified.

In Spain, there is no explicit restriction on the use of assisted reproduction techniques in private healthcare. The law regulating this activity does not provide for it.

And why is it necessary to establish such a limitation?
because age is a fundamental factor in the reproductive process and can involve complications in both the mother and the future baby. On this point, the law is explicit in stating that “assisted reproduction techniques shall be carried out only when there is a reasonable chance of success and do not pose a serious risk to the physical or mental health of women”.

No, at Next Fertility we do not have a waiting list to start any of the Treatments we perform in our center, and we are committed to performing the treatment on the date chosen by the patients.

In all assisted reproduction treatments, the transfer of a single embryo is usually recommended to minimize the risk of multiple pregnancy, since multiple pregnancies are risky pregnancies, but even transferring a single embryo to the uterus, A twin pregnancy may occur, just as it may occur in a spontaneous pregnancy.

No, in Spain, as in the rest of Europe, the free selection of sex is not allowed by law; although it is true that there are techniques such as PGD (Pre-implantation Genetic Test) that allow to know if the embryos in culture are male or female. However, although the choice is not allowed, there are some exceptions, in cases whose purpose is only to prevent the transmission of genetic diseases associated with sexual chromosomes. These exceptions are regulated in the Human Assisted Reproduction Act 14/2006, which also states that sex selection or genetic manipulation for non-therapeutic or unauthorized purposes is a very serious offence.

No, children born by these techniques have the same risks as the rest of the population.

Do you have more questions?

We will be delighted to assist you.

Get in touch with us and we will solve all your doubts about our treatments, techniques and promotions.


A team of over 40 professionals, accompanying patients to a new life for over 20 years.

Do you have more questions? We will be delighted to assist you.​

Get in touch with us and we will solve all your doubts about our treatments, techniques and promotions.

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