Foro IB
What role does the immune system play in fertility?
Un embarazo es una situación única desde el punto de vista inmunológico porque el cuerpo tiene que “tolerar lo ajeno”. La madre tiene que gestar al embrión y para ello su sistema inmune tiene que […]
What happens to excess embryos following assisted reproduction treatment?
When in vitro fertilisation treatment commences, one of the aims is to try and achieve an appropriate number of good quality embryos in the laboratory so that the best ones can be selected and transferred. Whilst the Spanish law […]
What tests do I need to have before egg donation treatment?
Egg donation has become an option for women who, for whatever reason, can no longer use their own ova. For example, due to poor ovarian reserve, poor oocyte quality and premature menopause. The process is widely used […]
Can patients manage embryo and gamete transportation?
Whilst it is not part of the day-to-day routine at reproductive medicine clinics, it is now increasingly common to have to transport biological samples (oocytes, semen or embryos) from one clinic to another and even […]
Exhaustive sperm donor selection and exclusion criteria
Nowadays, many couples have to turn to gamete donation in order to make their dream of becoming parents come true. In cases such as these, the couple tends to have common and understandable doubts about […]
It is common knowledge that a seminogram is one of the basic tests that couples who are having issues getting pregnant. In other words, the male partner’s semen needs to be analysed in order to check […]
AIDS. Assisted reproduction is the best option
The risk of contracting HIV during unprotected sexual intercourse is estimated to be between 0.5 and 1%. For serodiscordant couples (one partner is a carrier), trying for a child naturally can entail an elevated risk […]
Embryonic development: the embryo on day 1 (D1)
When an oocyte is in an optimum state of maturation, ovulation takes place. This is known as day 0 of development (D0) and fertilisation by a competent spermatozoon must take place during this period. When the oocyte […]
The latest in pre-implantation genetic diagnosis (PGD)
Pre-implantation genetic diagnosis(PGD) consists of studying chromosomalabnormalities and genetic abnormalities in the embryo prior to transfer to the mother. Itspurpose is to ensure that children are healthy and to bring thetransmission of a given condition to an end. Significant progress […]
The extent of the issue Obesity is a public health issue both in the general population and in women of childbearing age. The figures are a proof of this and, far from improving, the problem […]