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Pregnancy Blood Tests London

The first sign of pregnancy is usually a missed period, which will lead most women to purchase and take a home pregnancy test. However, a laboratory test is the most reliable method of confirming a pregnancy.

At South Kensington MD, we employ a blood test to determine your beta HCG level. It is more accurate compared to urine tests, since you blood contains more concentrated levels of beta HCG.

We provide same day pregnancy testing to women in South Kensington, London. If you believe you may be experiencing some initial signs of being pregnant or you have already done a test at home and are seeking a second opinion then we can assist. With our same day pregnancy test, you can get accurate pregnancy results which are returned mostly on the same day. Our professional and compassionate staff will be able to offer you the correct support and guidance about pregnancy, once it is confirmed.

What type of Pregnancy Blood Tests We Offer?

Pregnancy tests can be done at any point from when you have first missed your period or 21 days after having unprotected sex. The most precise form of checking if you are pregnant is through a blood test. We provide pregnant women or women intending to be pregnant with blood tests in London. South Kensington MD provides a same day service for appointments and walk-ins. At South Kensington Medical & Dental, we provide reliable and discreet pregnancy testing services to support women through every stage of their reproductive health journey. Our services include:

  • Antenatal Profile: A comprehensive set of blood tests to assess maternal and foetal health during pregnancy.
  • Quantitative Beta-hCG Blood Test: A sensitive test that confirms pregnancy and measures hormone levels for early pregnancy monitoring.
  • Anti-Mullerian Hormone (AMH) Test: Helps evaluate ovarian reserve and fertility potential.

Antenatal Profile: Essential Pregnancy Screening

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Our Antenatal Profile covers a wide range of essential screening tests to ensure both mother and baby receive the best possible care. This profile includes:

  • Full Blood Count (FBC)
  • Blood Group and Rh Type
  • Atypical Antibody Screen
  • Haemoglobin Electrophoresis
  • Syphilis IgG/IgM
  • Glucose
  • Free T4 / TSH
  • Rubella Antibody (IgG)
  • Toxoplasma Antibodies (IgG, IgM)
  • Cytomegalovirus (IgG/IgM) Antibodies
  • Hepatitis B Surface Antigen
  • Hepatitis C Antibodies
  • Varicella Zoster Antibodies (IgG)
  • HIV 1 & 2 Antibodies

Results are delivered securely and can be shared with your midwife, GP, or obstetrician for ongoing pregnancy care.

Anti-Mullerian Hormone (AMH) Test:

The AMH test measures the level of Anti-Mullerian Hormone in the blood to assess a woman’s ovarian reserve, which can help evaluate fertility potential and guide family planning decisions.

Quantitative Beta-hCG Blood Test:

Our quantitative beta-hCG test is a highly accurate pregnancy test that measures the exact level of human chorionic gonadotropin (hCG) in the blood. This test is useful for:

  • Early pregnancy confirmation
  • Monitoring pregnancy progression
  • Investigating pregnancy-related complications

At South Kensington Medical & Dental, we ensure all tests are performed by trained professionals in a safe and comfortable environment. Our team provides confidential results and optional GP follow-up consultations for further guidance.

Have more questions?

We’re here to help - get in touch or book your appointment today.

What Does Pregnancy Blood Tests Look For?

Pregnancy tests look for the presence of beta human chorionic gonadotropin (beta HCG) in the blood. Beta HCG, also called the pregnancy hormone, is released approximately 10 days after conception after a fertilised egg implants itself into the uterine lining. This tells your body to start making HCG.

Beta HCG also plays a significant role in maintaining pregnancy by thickening the uterine lining in order to nourish the growing embryo and instructing the body to discontinue menstruation. When beta HCG is detected in your blood, it means that your pregnancy journey has officially begun!

Why is a Pregnancy Blood Test Important?

At the initial stages of pregnancy, HCG levels rise rapidly and may be detectable with blood or urine tests, serving as a reliable pregnancy marker. Standard HCG levels confirm pregnancy, help approximate the baby’s gestational age, and give an expected due date.

However, abnormal HCG levels or an abrupt drop in beta HCG might signal potential problems like miscarriage or an ectopic pregnancy. An untreated ectopic pregnancy can lead to life-threatening complications, such as haemorrhage; this highlights the critical importance of early and accurate pregnancy testing.

When to Get Tested

For the most accurate results, you should wait 11 days after conception before taking a blood test since the hormone beta HCG may not be detectable earlier. If you’re uncertain of your conception date, it’s best to wait until the expected date of your period before getting tested. This ensures reliable and clear results.

Ideal Candidates for Pregnancy Blood Testing

You may benefit from a pregnancy blood test if you:

  • Have missed/skipped your period.
  • Tested positive with a home pregnancy kit (urine test).
  • Have a history of miscarriage.
  • Are undergoing IVF or fertility treatments.

A blood test can confirm your pregnancy and track your levels of beta HCG.

Common early signs of pregnancy that may prompt a blood test include:

  • A missed period
  • Nausea, often starting around six weeks after your last period
  • Fatigue
  • Breast tenderness
  • Frequent urination
  • A heightened sense of smell

Have more questions?

We’re here to help - get in touch or book your appointment today.

A Look at Your Pregnancy and Overall Health

Early pregnancy blood testing offers more than just pregnancy confirmation—it also provides essential insights into your overall health and pregnancy status. A beta HCG test can help detect and monitor various health conditions, including:

  • Multiple pregnancies
  • Ovarian cancer
  • Choriocarcinoma of the uterus
  • Hydatidiform mole of the uterus
  • Miscarriage
  • Missed miscarriage
  • Incomplete miscarriage
  • Ectopic pregnancy 

A blood test conducted by a medical professional provides accurate and reliable confirmation of pregnancy, eliminating any uncertainty. Schedule your appointment today for peace of mind and clarity.

FAQs

You can have a pregnancy blood test right from the day you have missed a period or 21 days after having unprotected sex to get the most accurate results.

Pregnancy blood tests are more sensitive in detecting the presence of even the lowest levels of HCG in your blood, making it more accurate in picking up pregnancy earlier than home pregnancy tests.

If you have been tested positive, you should consult your GP to discuss next steps and start prenatal care.

Yes, blood tests are able to diagnose ectopic pregnancies through abnormal HCG levels; however an ultrasound is generally needed for confirmation.

Pregnancy tests detect the presence and measure the amount of beta HCG hormone (beta human chorionic gonadotropin) in your blood or urine. The hormone is created by your placenta after of a fertilised egg has been implanted, usually around 10 days following your conception. The beta HCG is most accurately tested for by a blood test, and only takes a small amount of blood to be taken from a vein in your arm.

Beta HCG can be detected for the first time through a blood test around 11 days following conception. Typically, your HCG will double every 72 hours and will peak for the first time within the first 8 to 11 weeks of pregnancy. Subsequently it will drop and level off for the rest of the pregnancy.

If you have been tested positive and you wish to proceed with your pregnancy, you will be required to continue checking your beta HCG levels to confirm that it is rising appropriately. You can do this by arranging a follow-up blood test. You can then be referred back to your GP or gynaecologist for ongoing monitoring, or you can carry on managing your pregnancy in private with our clinic. If you do not wish to keep your pregnancy, you should contact your GP.

HCG level below 5 mIU/mL indicates a negative pregnancy, and above 25 mIU/mL suggests a positive pregnancy HCG level. Very high levels of HCG (over 100,000 mIU/mL) can indicate an abnormal pregnancy.

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