Reproductive biology
Discover in depth the biological processes related to fertilization, embryo implantation and all aspects affecting human reproductive biology.
Primary ovarian failure and its diagnosis using mass sequencing techniques
Primary ovarian failure (POF) or early menopause is the loss of ovarian function before the age of 40. As a result of this cessation of ovary function, the woman stops having menstruation and her hormonal […]
From the moment of fertilization, the embryo’s first divisions have been the oocyte responsibility, as the DNA and proteins synthesis took place before fertilization. Therefore, day 3 of embryo culture represents the end of a […]
Doubts, questions and answers about egg vitrification
What is the egg vitrification about? Vitrification technique is a relatively new freezing technique based on avoiding the ice crystals formation inside the cells when temperatures below 0 are reached (freezing), therefore, protecting them from […]
What is the spermatogenesis about?
Spermatogenesis is the process of the sperm formation, which are male gametes. It takes place in the testicular seminiferous tubules with an approximate duration of 62 to 75 days in the human species. Sperm formation […]
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 […]