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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Egg Donation Forum
Sperm Donation Forum
Embryo Donation Forum
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Waiting for AI results
During the two-week wait after artificial insemination, women experience a series of very different feelings as well as strong emotions, since she will soon find out whether she is pregnant or not.
13 weeks pregnant
It’s the first week of the fourth month of pregnancy. You’ve left behind the first trimester, which means that the embryo’s shape is closer to that of a normal baby. During the second trimester his internal organs...
Six weeks pregnant
During this week, in the second month of pregnancy, the first steps of the embryonic development take place.
Nine weeks pregnant
It corresponds to the first week of the third month of pregnancy. The embryo starts to have a more human-like aspect, its head is very big, although now stands slightly more detached from the body, given that the...
First month of pregnancy
It's the beginning of a long process. Many women don't even know they are pregnant during the first month. The most important event is the implantation of the embryo in the endometrium.
Embryo classification according to their quality
Embryos can be classified in 4 categories –from A to D– ranging from best quality to least developed embryos. This classification is mainly visual and rather subjective, but there are also several studies to...
Embryo quality and grading
Assessment of embryo quality is determined by checking their development once a day from the moment of fertilisation to the day in which embryo transfer is performed –on day 3 or day 5, depending on the case.
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