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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IVF embryo transfer: definition, process and tips
The process of embryo transfer consists in placing the embryos into the woman's uterus, so that implantation and a successful pregnancy hopefully occur.
Embryo transfer in Croatia
In Croatia, the Law allows for a maximum of 2 embryos per transfer, although 3-embryo transfers are possible in exceptional cases.
How many embryos to transfer
How many embryos should be transferred? This is a frequently asked question among patients undergoing an IVF cycle. Increasing the pregnancy success rate without rising the risk of multiple births is the ultimate goal.
It’s time to pay attention to the endometrium
The endometrium is very important for embryo implantation. Nowadays, there are techniques, which study the endometrium, and are able to determine the best implantation moment.
Oocyte quality in cases of low ovarian response
The outcome of an assisted reproduction treatment is related to both oocyte quantity and quality.
Endometriosis and fertility
This illness may cause sterility due to several reasons: it aters the hormonal levels of women (producing irregularities in the ovarian cycle) and furthermore, it can provoke difficulties when it comes to the...
Natural cycle of embryo transfer
Currently, there is no clear evidence to recommend a specific protocol for endometrial preparation after embryo transfer, since many different factors which vary on each woman take part in the process.
Interview: Embryo implantation
Dr Manuel Muñoz, from Alicante’s IVI clinic, tells us about problems, treatments, or investigations into embryo implantation.
Embryo culture up to blastocyst stage
Blastocyst is the stage in which embryo implantation within the uterus occurs naturally. To reach this stage, the embryo is cultured up to day 5-6 by means of a sequential culture system.
It is a membrane that internally lines the uterus, and it increases as each mentrual cycle takes place. It increases its size because, in the event of an egg being fertilised and the consequent formation of an...
The pregnancy hormone: Human Chorionic Gonadotropin (beta-hCG)
Pregnancy tests look for the presence of this hormone. This is the reason why they are highly accurate: this hormone is only produced during pregnancy.
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