A private quantitative hCG blood test that confirms pregnancy earlier and more precisely than a urine test, measuring the exact level of pregnancy hormone in your blood. £79 at one of 250+ Goodbody clinics or £99 with a nurse home visit, recommended from 10 days after a missed period. Results emailed in 3 to 5 working days with a GP report explaining what your hCG level means for your pregnancy.
Around 7 to 10 days after conception, which is several days before a missed period and earlier than most home urine tests. The blood test measures the actual amount of hCG, so it can pick up the low levels present in the first days after implantation. For a dependable result and a number that means something, we recommend taking this test from 10 days after your missed period; a negative result earlier than that may simply be too early, and a repeat will settle it.
Sometimes. Implantation happens 6 to 12 days after ovulation and hCG only enters the blood after that, so at 7 days past ovulation some pregnancies will show a detectable level and others will not yet. A positive result at 7 days is meaningful; a negative one is not conclusive. We recommend this test from 10 days after a missed period, when the answer is dependable and the hCG level is useful.
Yes, in two ways. It detects lower levels of hCG, so it works earlier, and it gives an exact number rather than a line. Urine tests are reliable from the day of a missed period if used correctly, but can be affected by dilute urine, reading them too early or too late, and user error. A quantitative blood test, analysed in an accredited laboratory, is the reference standard and is what clinics use to confirm and monitor early pregnancy.
In a healthy early pregnancy hCG roughly doubles every 48 to 72 hours, from a few units per litre at implantation to thousands by the time a period is a week late, before peaking around weeks 8 to 11. A single level confirms pregnancy but cannot date it precisely, because the normal range at any week is very wide. Your GP report explains where your number sits and, where useful, suggests a repeat test 48 hours later so the rate of rise can be seen.
Not usually. Standard blood tests for cholesterol, blood count or thyroid do not include hCG, so pregnancy will not show up unless it is specifically requested. Some routine results, such as a slightly raised white cell count or lower iron, can change in pregnancy but are not a test for it. If you want to know, hCG has to be measured directly.
GPs do not routinely offer blood tests to confirm pregnancy; the NHS relies on a urine test and reserves blood hCG for specific concerns. Privately, you can book a quantitative hCG blood test at one of 250+ Goodbody clinics across the UK, or have a nurse take the sample at home. No referral is needed. Find your nearest clinic.
The sample takes a few minutes at your appointment. Your result and GP report are emailed within 3 to 5 working days of the sample reaching the laboratory. If you need a result faster for a medical reason, such as bleeding or pain in early pregnancy, contact your GP or NHS 111 rather than waiting for a private result.
Rarely. A false negative happens when the test is done too early, before hCG has risen enough, and is resolved by retesting a few days later. False positives are very uncommon and can follow a recent pregnancy loss, fertility treatment containing hCG, or occasionally certain medical conditions. A low or slowly rising hCG on repeat testing can indicate a pregnancy that is not progressing normally, and your GP report will explain when to seek care.
No. Eat and drink as normal. There is no best time of day, and the contraceptive pill or other medication does not affect hCG. Bring the date of your last period and, if you know it, the likely date of conception, so the report can put your result in context.
Not reliably. hCG rises quickly in early pregnancy and the normal range at any given week overlaps hugely between individuals, so the level cannot date a pregnancy or confirm twins, although very high levels are more common with multiples. Dating is done by ultrasound. What the number can do is confirm pregnancy early and, with a second test 48 hours later, show that it is rising as expected.
£79 at one of 250+ Goodbody clinics across the UK, or £99 with a nurse home visit, including laboratory analysis and a GP report. Many people book two tests 48 hours apart to see the rate of rise; if you plan to, book both appointments together.
Not from this test, but our Early Baby Gender Blood Test looks for Y-chromosome DNA in your blood from 6 weeks of pregnancy and is 99.9 percent accurate. Once your pregnancy is confirmed, it can be booked separately at the same clinics.
Your results and GP report are emailed to you within 3 to 5 working days of your sample reaching the laboratory. The report explains each marker in plain language, flags anything outside the reference range and says what to do next, including when to take the result to your own GP. All samples are analysed by a UKAS-accredited laboratory.
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Send your sample in the post to be analysed at an accredited laboratory.
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Have your blood taken in-clinic by one of our skilled phlebotomists and check multiple biomarkers in one go. Many of our tests can also be done in the comfort of your own home with one of our easy-to-use test kits.
Take a test, either in the comfort of your own home, with a nurse visit, or at one of our clinics nationwide.
Your sample is analysed in the clinic, laboratory or using your home test equipment.
Get your comprehensive detailed results report from the laboratory.
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BSc (Hons) MBChB
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Clinical Support Advisor

MBCHB, MRCP, FRCR
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