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In the blood pregnancy test vs urine test choice, most people only need the urine test. Taken from the first day of a missed period and used correctly, a home test is reliable, and the NHS says a positive result is almost certainly correct. A private beta hCG blood test (£51) is worth booking in narrower situations: your home results are unclear, you want a laboratory result, or a clinician or fertility clinic has asked for your hCG to be checked. Neither test can show where a pregnancy is or whether it is progressing.
| Get help first if you have symptoms. If you might be pregnant and have tummy pain low down on one side, vaginal bleeding or brown watery discharge, or pain in the tip of your shoulder, contact your GP or call NHS 111 straight away. Call 999 or go to A&E if you have sudden, intense tummy pain, feel very dizzy or faint, feel sick or look very pale. A booked blood test is not the right next step. |
| Home urine test | Swift beta hCG blood test | |
|---|---|---|
| What it detects | hCG in urine | hCG measured in a blood sample by a UK laboratory |
| Result | Positive or negative | Laboratory hCG result clinicians can compare between tests |
| When to use | Most tests from the first day of a missed period | Can usually detect hCG earlier than a home urine test |
| Cost | Low cost, or free from sexual health services and some GPs | £51 test price. Your total, including your collection option, is shown before you pay |
| Result time | Minutes | Typically the same day or next working day |
| Shows pregnancy location or health? | No | No |
You probably don’t need a blood test if your period is late, a correctly used home test is clearly positive and you have no worrying symptoms. The most useful next step is free: refer yourself to NHS maternity services. If your home test is negative but your period still hasn’t come, the NHS advises testing again in a few days. Speak to your GP if the second test is also negative.
Book a private hCG blood test – £51
A blood test measures the hCG in your blood at the moment the sample is taken. It can help confirm a pregnancy and support monitoring when a clinician asks for it. It cannot show where the pregnancy is: an ectopic pregnancy also produces hCG, and a scan is needed to locate it. It can’t confirm that a pregnancy is progressing healthily, and it doesn’t replace antenatal care. If repeat tests are needed, your clinician should decide the timing and explain what the change means. Avoid comparing your results with hCG charts online.
Both detect the same hormone. After a missed period, a correctly used home test is reliable. A blood test can usually detect hCG earlier and gives a laboratory result, which helps when home results are unclear. It isn’t necessary for everyone.
This can happen when testing is done very early, or when a home test is read outside its instructed time window. Speak to your GP or clinic. They may suggest repeating the blood test a few days later. Seek help straight away if you have pain or bleeding.
Results are typically available the same day or next working day, depending on what time your sample is taken. Book earlier in the day if speed matters, and use the clinic finder to see your nearest location.
Yes. Book the test for the day your clinic specifies, and check with them which format of results they need before you test.
Not always. One test can help confirm a pregnancy. A second is usually only needed if a clinician wants to see how your hCG is changing.
No. A single result can’t show where a pregnancy is. One-sided pain, bleeding or shoulder-tip pain need medical advice, not a booked test.
Book your beta hCG blood test – £51
