inviTRA Egg and sperm donation magazine
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What is it?
Law in the UK
Pregnancy with donor eggs
Egg donation & surrogacy
Becoming an egg donor
What is it?
IUI with donor sperm
Becoming a sperm donor
Definition and options
In vitro fertilization
Intracytoplasmic sperm injection
Preimplantation genetic diagnosis
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Choosing a sperm donor in Spain
What does the Spanish Law regarding Assisted Human Reproduction Techniques say about sperm donation? Is is possible to choose the sperm donor by yourself? What is taken into account when matching a donor to a recipient?
Family planning methods
Family planning aims at allowing families to have the desired number of children and the ideal spacing between pregnancies for each mother. Here you can learn about each different birth control method.
Necrospermia is a male fertility problem characterized by the presence of dead sperm in the ejaculate. Necrospermic men, however, are able to have biological offspring thanks to assisted reproductive technologies.
Donor-sperm IVF in the USA
Engaging into a sperm donation programs to undergo an IVF cycle is advisable in cases where there is poor-quality sperm, genetically altered sperm or in case there is no male partner.
Cryptozoospermia or cryptospermia is a sperm pathology that may lead to male infertility and is characterized by a low sperm quantity. Actually, it causes the same symptoms as oligozoospermia, but more severely.
It consists of an alteration within the sperm shape, in which more than 95% of sperm have an strange morphology, leading thus to male infertility because of an sperm factor.
Analysis of sperm vitality
This test is performed when undergoing a seminogram in those cases where the number of immotile sperm is over 40%. It allows us to check whether sperm are dead or alive but immotile.
Analysis of sperm motility
Men whose sperm moves with difficult suffer from a condition called astenozoospermia, which can cause male infertility.
Male fertility test
The sperm analysis is extremely useful when it comes to recommending any fertility treatment, but, what is studied with these analyses?
It’s a male fertility alteration due to a spermatic factor, in which the quantity, morphology and motility of the spermatozoa are altered.
Reference values in sperm analysis
In order to know whether a man is fertile or not, there are several parameters that must be taken into account and can guide us when it comes to establish it.
Online fertility calculators
The fertility calculators available on the Internet help women calculate their fertile period, although their effectiveness is potentiated if women’s cycles are regular.
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