What is ICSI?
|ICSI is a treatment primarily designed to overcome male fertility problems.
ICSI – Intracytoplasmic Sperm Injection – is a refinement of the traditional IVF procedure. It involves the injection of a single active sperm directly into the egg to try to fertilise it. This differs from standard IVF, where the eggs and sperm are mixed together.
ICSI may be advised if:
|An IVF initial path
ICSI treatment starts out just like IVF. You undergo ovarian stimulation to produce mature eggs and your partner provides a sperm sample.Identifying the best sperm
Our lab team will examine the sperm under a high-powered microscope, to identify which are the best quality. We look at factors like movement and shape. We carefully select active sperm and inject one sperm directly into each mature egg with the aim of fertilising the egg.Fertilisation
Only mature eggs are suitable for injecting with sperm. Usually, around two-thirds of eggs collected are mature. Resulting embryos are monitored for signs of growth. The best embryo is then chosen for transfer.
|A Frozen Embryo Transfer (FET) involves thawing your embryos frozen in a previous IVF cycle. You will not need to undergo an entire IVF cycle for this, but we will discuss with you whether you should have hormone medications to prepare your womb to receive the embryo. You might wish to use your frozen embryos if:
We only freeze embryos that we have identified as good quality, through our advanced embryo selection techniques. Our aim is to give you the best possible chance of pregnancy with each frozen embryo replacement cycle.
Not all embryos have the same potential to form a pregnancy, and each one is affected differently by the freeze and thaw process.
Our experienced clinical team will advise you on your individual circumstances.
Frozen Embryo Transfer: How it Works
We will make sure you are healthy and ready for pregnancy, and there are no issues which could prevent successful implantation of your thawed embryo.
Preparing your uterus
We will prepare your body for pregnancy. We either use fertility medications to thicken your womb lining. Or if you are having a natural cycle FET, identify when you naturally ovulate which helps us time the embryo transfer appropriately. We will only start the thawing process of your embryos when your uterus is ready.
Thawing your embryos
Your embryos are removed from liquid nitrogen. Only one or two may be removed and thawed, depending on how many you have frozen. Our embryologists will examine your thawed embryo under the microscope and confirm it is suitable for transfer. Over 9 out of 10 embryos that are frozen in our clinic survive when they are thawed. You then come into the clinic for embryo transfer.
|Egg freezing is a way to store your eggs, so you can try for a baby in future.
Lots of women are now choosing to egg freeze, for many different social and medical reasons:
How does egg freezing work?
Eggs are collected and those that are mature are frozen by our laboratory team using vitrification, a special fast-freezing method which ensures high survival rates for frozen eggs.
How long eggs can be stored
|Ovulation problems can make it difficult to get pregnant.
Induction of Ovulation is a fertility treatment which helps you ovulate, if you do not ovulate naturally.
You can then choose to try for a baby naturally, or opt for fertility treatment such as Intrauterine Insemination (IUI) or donor sperm insemination (DI), which places sperm close to the egg for pregnancy.
Induction of Ovulation can be a useful treatment if you have irregular or absent ovulation, due to Polycystic Ovarian Syndrome (PCOS) or other causes.
Induction of Ovulation process
We will check your hormone levels and ovarian reserve to make sure that Induction of Ovulation is the right treatment for you. We will examine your medical history and perform tests to look at your fallopian tubes and ovulation cycle.
You will be prescribed a course of fertility medications which trigger the development of eggs in the ovaries. These may be in the form of tablets (such as Clomifene, Metformin and Letrozole) or hormone injecions. You will be closely monitored through ultrasound and blood tests, so we can check you are responding safely.
Try for a baby
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