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
Options for lesbian couples
Becoming a sperm donor
Definition and options
In vitro fertilization
Intracytoplasmic sperm injection
Preimplantation genetic diagnosis
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Assisted Reproductive Technology
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Sperm donation in the USA
The absence of a male partner or severe male infertility are the main causes as to why a single person or a couple starts a fertility treatment using donor sperm.
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.
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 concentration
To diagnose male infertility a seminogram is conducted. One of parameters evaluated is the concentration or amount of spermatoza found in the ejaculate.
Analysis of sperm motility
Men whose sperm moves with difficult suffer from a condition called astenozoospermia, which can cause male infertility.
Male infertility detection test
There are many men that suffer from male infertility. The classical test to evaluate their fertility is the sperm analysis; however, there are several parameters that can evaluate the sperm that are not studied,...
How to collect a sperm sample
One of the first fertility tests consists of carrying out a seminogram to evaluate the male fertility state and his reproductive capacity.
Sperm DNA fragmentation
Sperm fragmentation may cause male infertility, preventing natural pregnancy.
Testicule biopsy is the extraction of testituclar tissue to chech if there are focus of sperm production in the testicles.
Sperm agglutination test
Sperm agglutination is a sperm disorder that may cause male infertility. To diagnose this condition a seminogram is required.
IMSI (Intracytoplasmic Morphologically Selected Sperm Injection)
IMSI is based on the technical developments of the microinjection procedure known as "ICSI". Within IMSI, sperm selection is carried out through further evaluation of their appropriate morphology, since it is...
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