Reproductive biology
Discover in depth the biological processes related to fertilization, embryo implantation and all aspects affecting human reproductive biology.
What is hypospermia? How can it be detected? How does it affect my fertility?
The World Health Organization (WHO) indicates that a man has hypospermia when the semen sample he produces when he ejaculates is below 1.5 mL. A semen analysis needs to be performed in order to obtain a diagnosis. This […]
Ovarian drilling is treatment that is given to patients with polycystic ovary syndrome in order to encourage spontaneous ovulation. Polycystic ovary syndrome (PCOS) is a common disorder and the women who have it can have a […]
Fertility preservation in transgender people
The World Health Organization (WHO) defines reproductive health as a complete state of physical, mental and social well-being which implies, among other things, the ability of a person to reproduce and the freedom to decide […]
Estrogens: What are they, what is their function and what benefits can they bring?
What are oestrogens? They are also sex hormones, along with progestogens and androgens. They come from the cholesterol’ s metabolism and are produced mainly in the ovaries and placenta, and, in smaller quantities in the …
Radiation effects over male fertility (mobiles, Wi-Fi, microwaves, etc.)
Some electronic devices, such as mobile phones, laptops, Wi-Fi, and microwave ovens, generate non-ionizing radiation that can affect male fertility. This is revealed by one of the latest reviews recently published by Agarwal’s research group […]
Time-lapse in assisted reproduction. Current situation
What is Time-Lapse in in vitro fertilization, IVF? Time-lapse technology (TTL) consists of monitoring embryonic development and making a film of embryonic evolution by means of a video camera introduced either in a conventional incubator […]
Is there a difference in the embryo developing according to gender?
Patients undergoing an in vitro fertilization treatment usually ask if are able to distinguish between male and female embryos while observing them in the lab. Can we know the embryo gender before implantation in the […]
Gestagens: progesterone and derivates
What are gestagens? The gestagens hormones (also known as progestagens) main function, is to maintain pregnancy (they are pro-gestational), and play a key role in the menstrual cycle regulation. Gestagens are a class of […]
Assisted Reproduction legislation for women without a male partner
In modern society, the increasing demand for assisted reproduction techniques from single women and same-sex couples has become a reality. From the perspective of reproduction, women only need to receive the male gamete (sperm). For […]
Metabolomics: embryo nutrition in in vitro fertilisation (IVF)
One of the main limitations of assisted reproduction techniques are its embryo implantation failure rates. The implantation rate is the embryo’s ability to implant in the mother’s uterus. In other words, not all embryos are able to give […]