By: Ana del Mar Crespillo The aim of the ovarian hormonal stimulation in IVF treatment is to mature several eggs, which can then be fertilized either using IVF or ICSI fertilization. As a result of a successful treatment there are often more embryos than are needed for a single embryo transfer. Embryo freezing is therefore [...]
Archive for May, 2012
By Ana del Mar Crespillo The process of fertilization involves a direct interaction of the sperm and the oocyte cell membranes and the union of male and female genomes; for this, sperm DNA and chromatin integrity is vital to obtain successful pregnancy and transmission of genetic material to the embryo.
By: Ana del Mar Crespillo Clínica Fertia has developed an efficient egg donor program and has now more than 10 years of experience in providing the highest care to recipients and egg donors alike. Egg donation enables successful treatment to those couples in which the woman has lost her ability to produce healthy eggs; this [...]
By Ana del Mar Crespillo Under the physiological conditions (in vivo) of the human uterus the oxygen tension is between 2-8%; however, in the vast majority of assisted reproduction laboratories, human embryo culture in vitro is performed in incubators with an atmosphere of 6% CO2 and 20% O2. These conditions may compromise the viability of [...]