inviTRA Egg and sperm donation magazine
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Cryptorchidism or hidden testicle consists of no descending testicle or testicles to scrotal bag, where they should be located at birth. The descent occurs normally in the first year of life, if not, it is...
Anabolic steroids and male fertility: bad combination
Society’s body cult can provoke sterility in those men that turn to steroids to increase their body mass.
Achieving pregnancy with varicocele
The term varicocele is used to refer to the dilation of the vessels of the spermatic cord (that irrigate the testicle), and is produced when the valves of these veins prevent the blood from flowing correctly,...
Study about semen and obesity
With this study what is intended is to analyze the effects that obesiy produces in fertility. It's been proved that male with a high body mass index present seminal alterations due to their high weight.
Sertoli cell-only syndrome
There aren’t many cases of Sertoli cell-only syndrome, but men that suffer from it can’t produce spermatozoa and must turn to sperm donation to become parents.
This hormone is known as the basic and main hormone present in men, since it plays a central role in the development of the male reproductive system and it’s permanence during life.
Kallman Syndrome is caused by an insufficient production of GnRH hormone (gonadotropin-releasing hormone). This hormone takes over the release of hormones that are essential for the proper functioning of the body.
Male infertility because of pre-testicular factor
These are a set of problems of endocrine origin, characterised by hormonal imbalances usually placed in the hypothalamic-hypophyseal axis.
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