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Genetic Carrier Screening

Genetic carrier screening gives individuals and couple’s information about their risk of having a child with a genetic condition

Helpful tools
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About genetic carrier screening

Genetic carrier screening gives individuals and couple’s information about their risk of having a child with a genetic condition.

Genetic screening identifies whether you are a carrier of a range of inherited conditions. Most people are carriers of one or more genetic conditions, even though no one in their family has the condition. Being a carrier is important if the person using the sperm is also a carrier of the same condition.

We now offer two options for genetic carrier screening.

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Invitae carrier screening

  • At Sunfert, this test will screen for over 300 types of genes which can be passed on to their children.
  • Severe and prevalent disorders seen across all ethnicities
  • Enhanced SMA testing to help identify silent carriers
  • Comprehensive Fragile X analysis, including AGG interruptions
  • Full gene sequencing with deletion and duplication analysis leading to a 99% detection rate for most genes
  • Actionable results; no reporting of variants of unknown significance
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Testing for monogenic/single gene disorders

PGT-M: Preimplantation genetic testing

Testing embryos for specific known genetic abnormality that couples already know that they are carrying and do not want to pass these abnormalities on to the next generation as it may cause severe disabilities in the child, especially if both parents are carriers.

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PGT-A: Preimplantation genetic testing for aneuploidies

Screening embryos for possible chromosomal abnormalities such as Down Syndrome and also reduces the risks of implantation failure and pregnancy miscarriage.

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The Biological Clock

This tool indicates:

  • Natural conception per month if you have no fertility issues
  • IVF success rate at the same age
  • When to seek help after months of unsuccessful attempts

If you are concerned at any stage – we recommend booking a doctor appointment or a free nurse consultation. The sooner you make a plan the better your chances in the long term.

When to seek advice early

  • If you have polycystic ovaries, endometriosis, or have been through a cancer diagnosis; we recommend you get in touch quickly so we can talk you through all your options and give you the greatest possible chance of success.
  • If you’re a single woman considering motherhood in the future; it’s best to approach us early and consider egg freezing as this can be an option for you while you have a higher ovarian reserve and healthier eggs.
Set your age and the months you’ve been trying to conceive
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Your chance of having a baby per month for fertile couples
Your chance of having a baby per IVF cycle (if experiencing infertility)

Body Mass Index calculator

Being overweight or underweight can reduce fertility, so it is important to keep your body weight within the normal healthy range.

Body Mass Index (BMI) is an indication of your body weight and can be calculated by dividing weight by height. You should aim for a BMI of between 20 and 25, as this will optimise your chances of conception.

Woman’s BMI below 19

Even in these modern times, nature knows best. If a woman's BMI falls below 19, the body senses famine and ovulation is switched off to prevent the risk of having a baby with malnutrition. Excessive exercise can reduce body fat and increase muscle mass to a point where periods cease for the same reason. Risk of miscarriage is also increased in women with a low BMI.

Being underweight

If a woman's BMI falls below 19, the body senses famine and ovulation is switched off to prevent the risk of having a baby with malnutrition. Excessive exercise can reduce body fat and increase muscle mass to a point where periods cease for the same reason. Risk of miscarriage is also increased in women with a low BMI.

BMI’s greater than 30

This can reduce fertility by 50%. Pregnancy for women with a 30+ BMI is often associated with problems such as maternal diabetes, high blood pressure, big babies and increased risk of caesarean section.

Add your height and weight to calculate your BMI