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The follicle-stimulating hormone involved in the control of the menstrual cycle. ¿Qué es la FSH? La FSH u hormona folículo estimulante, es una hormona de la familia de las gonadotropinas. Las hormonas gonadotropinas, LH (hormona luteinizante o lutropina) y la FSH (hormona folículo estimulante o folitropina), se fabrican en una zona del encéfalo denominado: eje…

Egg donation is the altruistic act of donating your eggs to a heterosexual or homosexual couple, as well as to a single mother who cannot have a child by her own means. Sperm donation for lesbian couples or single mothers is well known, but egg donation is not as well known and is just as…

In FIVMadrid we wanted to write an enlightening blog about implantation bleeding, how women can differentiate it with the period, when it occurs, what symptoms it produces, and so on. Hopefully this topic will be interesting for you and help you with the doubts you have. When does implantation bleeding occur? Implantation bleeding occurs when…

Have you heard about Rh incompatibility? One of the first steps when confirming pregnancy is a blood test. Among other aspects, this test allows to know the woman’s blood group, as well as her Rh factor. The reason for determining it is due to the relevance that it can take on the health of the…

As we have discussed on other occasions, primary or secondary infertility can be due to a large number of factors in men and women, which cover a range of physical and emotional origins that can be present in one or both parts of the couple.   In the case of determining whether infertility is primary…

On many occasions we have heard about stem cells, but do you know what they are? What are the benefits? What types of cells are there?   We must begin by knowing exactly what a stem cell is, and it is nothing more than a type of cell that has the ability to form an…

When the ovaries do not release eggs on a monthly basis, there is an absence of ovulation called Anovulation.   Anovulation can be caused by hormonal imbalances and consequently becomes one of the main causes of infertility in women (around 25% of female fertility problems).   The hormonal imbalances that generate this state are due…

PICSI (Physiological Intracytoplasmic Sperm Injection) is a technique that facilitates the selection of the most mature sperm using a molecule similar to the one that naturally covers the oocyte. PICSI, like ICSI, are techniques used in In Vitro Fertilization.   PICSI consists of depositing a small part of the semen sample in a few synthetic…

The Anti-Müllerian hormone (AMH) is secreted by the ovarian follicles and helps us known the level of ovarian reserve of each woman.   The ovarian reserve gives us information on the quality and quantity of eggs or oocytes that the patient has. In this way, our doctors can guide a personalized treatment that is close…

Sexually transmitted diseases (STDs) are those that can affect fertility, and are acquired through risky sexual practice. Risky sexual practices are intercourse with infected people, unstable sexual or multiple partners, early initiation of sexual intercourse, etc.   Sexually transmitted diseases are closely related to early infertility (15 to 39 years), especially in women generating inflammation…

When a baby is born, the image surprises new mothers and fathers in many cases, as it appears bluish and covered with a sticky layer that covers the newborn’s skin. This substance is called vernix caseosa.   This layer is made up of antimicrobial proteins, fat, water, and a high concentration of vitamin E. Vernix…

Medicine has evolved technologically and socially, embracing sexual diversity and offering joint motherhood to those lesbian couples who want to start a family. It is estimated that between 1% -5% of the world’s female population is made up of lesbians and that almost 30-50% of them, either alone or in tune with their partners, feel…

Molar pregnancy is the result of deformed growth of the placenta as a result of abnormal fertilization of the ovum. This type of pregnancy is also known as a hydatidiform mole.   In molar pregnancy, the placenta becomes a fluid-filled mass of tissue in snowflakes shape or bunches of grapes.   There are two types…

When we suffer from cancer, our fertility can be affected directly or indirectly.   If the tumor is in the sexual organs area, it affects directly regardless of the patient’s gender. On the other hand, drugs and treatments for tumors or Cancer in general, can decrease our fertility indirectly during taking or as a long-term side…

Uterine fibroids are benign tumors that are generated by the growth of smooth muscle cells found in the uterus. Fibroids generally appear in women of childbearing age, increasing their appearance before the end of this stage.   It is a pathology in which multiple factors such as hormonal, vascular, genetic and profibrotic can intervene.  …

The Genetic Compatibility Test is a study that analyzes the couple’s genes to calculate the chances that a future child will inherit certain pathologies. These pathologies are collectively called autosomal recessive diseases.   Being a genetic test, it is all related to the inheritance of patterns that are transmitted from parents to children. In many cases,…

Difficulty having children when the person or partner wishes to have them results in a picture of stress and anxiety generated by unsuccessful attempts to achieve pregnancy naturally.   Many women and couples come to the consultation with a negative predisposition for the time previously invested without success. Stress affects fertility directly through the autonomic,…

The single parent family, or single mothers, is a reality that is increasingly present in society; and in the parks.   When at FIVMadrid we decided, back in 2010, to give a public presence to the maternal desire of single women, FIVMadrid responded by offering this service on its website, being the first clinic, together…

The endometrium is the mucosa that lines the inside of the uterus and prepares itself in each menstrual cycle to receive a possible embryo, thickening its tissue. It is important that the endometrium is healthy for embryo implantation.   The endometrial study plays a key role before assisted reproduction treatment, since if health is not…

Infertility affects between 12% – 15% of the population in reproductive age. In heterosexual couples, women are considered, in most cases, as the causative agent of infertility. The reality is that 50% of infertility in heterosexual couples is due to men.   Between 30% and 40% of male infertility cases are found in the testes,…

Are you traveling immediately after getting vaccinated against COVID-19? You should know that experts from the CDC (Centers for Disease Control and Prevention) do not advise it and recommend waiting at least two weeks after the last dose of the vaccine.   Fourteen days is the time our body needs to develop the cellular immune…

Vitamin D, or calciferol, is a fat-soluble vitamin essential for bone metabolism and which also participates in the immune and endocrine system.   Likewise, recent studies have found Vitamin D receptors in the placenta, ovary, and uterus. From what we can tell, it is directly related to the female reproductive system.   Numerous investigations have…

The Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), the United States federal government agency for health, has published an inconclusive study that opens the possibility of reversing Premature Ovarian Failure (POF) with stem cells for the production of new eggs in the future.   Premature Ovarian Failure (POF) is an…

Egg donation is the assisted reproductive technique in which the egg or oocyte comes from a donor and helps another woman with reproductive problems to achieve the desired pregnancy.   Egg donation is a voluntary and altruistic act that has an economic compensation regulated by law. The donation is anonymous so, both the donor and the…

March is known as the month of endometriosis since the 14th of each year is celebrated the world day of this disease, to publicize and expose this silent disease that affects a large percentage of the world population and that considerably impacts life of the people who suffer it without knowing it.   Endometriosis can…

At the end of December, the vaccination campaign against COVID-19 began in Spain. Many doubts have arisen since then, and in the field of assisted reproduction we tell you which are the most common and how you can continue or start your family project.   With current vaccines, are there any risks that compromise my…