inviTRA Egg and sperm donation magazine
What is it?
Law in the UK
Pregnancy with donor eggs
Egg donation & surrogacy
Becoming an egg donor
What is it?
Becoming a sperm donor
Definition and options
In vitro fertilization
Intracytoplasmic sperm injection
Preimplantation genetic diagnosis
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Legal donor-egg treatments in Spain
Spanish regulations governing assisted human reproduction allows the use of donor eggs for both conventional in vitro fertilization or ICSI.
It's necessary to carry out a spermatozoa selection before using them for any assited reproduction treatment, so that only those with high likelihood of fertilising the egg are used.
Treatments for male infertility
Thanks to the assisted reproduction techniques there are several treatments that can be applied to solve male infertility. Depending on the infertility degree a different technique will be applied.
Advances in assisted reproductive techniques
The most advanced assisted reproductive techniques are focused on the selection of the spermatozoa, the embryos to transfer and the decrease in the risk of multiple pregnancies
Annexin columns or MACS allow an improvement on sperm quality, since they enable the removal of pre-apoptotic spermatozoa thanks to a component on their outer membrane.
Annexin V Columns
MACS, also known as "annexin columns" or "annexin V columns", is an assisted reproductive technique which consists of separating through magnetic attraction the best quality sperm from the abnormal or poor-quality sperm.
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