Assisted reproductive technology

The failure of embryo implantation is a problem that occurs in women who want to have a pregnancy and can not get it, despite frequent unprotected sexual intercourse. The problem of these couples is that they do not know if they are really having repeated implantation failures, or on the contrary, their gametes (ovum and sperm) are not even able to fertilize and give rise to an embryo that reaches the uterus. The fact of having implantation failures can only be confirmed when undergoing in vitro fertilization (IVF) treatments, since the development of the embryo in the laboratory is observed and there is confirmation that it is transferred to the uterus of the mother. Below you have an index with all the points that we will discuss in this article. Index Repeated failures of embryo implantation: causes and solutions 1. Embryonic implantation 2. When do we talk about implantation failure? 3. Causes of embryonic implantation failure 3.1. Embryonic causes 3.2. Uterine cause...

Ovodonation or donation of ovules is one of the assisted reproduction treatments with the best success rates. Thanks to her, many women manage to become mothers when they could not achieve it with their own eggs. The chances of achieving pregnancy with this technique are higher because the ovules come from young and healthy women, so they are better quality oocytes. This makes it easier to get pregnant the first time. Below you have an index with all the points that we will discuss in this article. Index Success rates with oocyte donation: What is the probability of pregnancy? 1. Who uses oocyte donation? 2. Percentage of ovodonation success 3. Number of attempts needed for success 4. Evolution of egg donation 5. Questions from users 5.1. Does using frozen eggs influence the success of oocyte donation? 5.2. Is the probability of twin pregnancy greater with ovodonation? 6. Recommended reading Who uses oocyte donation? There are several causes why women choose to d...