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Like the pregnancy tests you take at homea human chorionic gonadotropin hCG blood test checks for certain hormones made by your body during pregnancy. But these blood tests are more accurate than peeing on a stick — plus, they may be able to offer your provider some additional info about your pregnancy. A blood test to confirm pregnancy is just part of the process. A pregnancy blood test is a medical test that confirms the presence of human chorionic gonadotropin or hCGthe hormone produced by the fetus, in your system.
You can expect to receive routine bloodwork during your pregnancy that checks for:. Depending on your individual risk factors, your provider might opt to include some additional tests in that first round of bloodwork. A pregnancy blood tests for hCG is more sensitive — and therefore, more accurate — than a urine pregnancy test.
So even if your at-home pee test read positive, your practitioner might opt to run an hCG blood test to confirm the happy news. Blood tests can also pick up hCG earlier than urine tests — as soon as six to eight days after ovulation.
That may be helpful for women undergoing fertility treatments, since it Pregnancy dating blood test indicate whether the treatment helped you conceive. Routine bloodwork during pregnancy is par for the course, meaning that virtually every mom-to-be will have blood tests at the start of her pregnancy and beyond. Depending on your health and risk factors, your provider might recommend some additional blood tests to screen for possible complications or fetal abnormalities. Together, you can decide on the right amount of testing for you. A pregnancy blood test is performed just like any other blood test.
During the test, the technician will insert the needle into your vein and collect your blood into vials. The process only takes a few minutes. You might feel a little pinch when the needle goes in. Did your test come back positive for hCG in your blood? If you were given a quantitative hCG test, the will tell you exactly how much hCG is in your bloodstream. Try not to read into these s too closely or compare them with other moms-to-be.
And if yours do look a little different? Take a deep breath: Everything is likely still A-okay. But if you have any questions or concerns, bring them up with your practitioner. Chances are he or she will be perfectly happy with your s — and you should be too. As for from the rest of your bloodwork? Should any issues come up, you and your practitioner can work together to ensure the healthiest possible pregnancy.
Many sexually transmitted infections, for instance, are easy to manage or treat. And if you find that your blood is Rh negative, you may get RhoGAM shots during pregnancy and delivery to protect your baby from a possible Rh incompatibility. Your doctor can help you weigh the pros and cons of different diagnostic test options, like chorionic villus sampling CVS or amniocentesis.
Pregnancy blood tests are safe and unlikely Pregnancy dating blood test cause any major side effects. But the needle might pinch a little bit, and you might have some mild, temporary bruising at the Pregnancy dating blood test of the injection. Eating or drinking something sugary or salty like a sports drink or potato chips before your test can help — just make sure to check with your provider first.
What to Expect has strict reporting guidelines and uses only credible primary sources. Health information on this site is regularly monitored based on peer-reviewed medical journals and highly respected health organizations and institutions.
Registry Builder New. Medically Reviewed by Jennifer Wu, M. Even after a positive home pregnancy test, your doc will still likely opt for a blood test to confirm the big news. Back to Top. In This Article. What is a pregnancy blood test? You can expect to receive routine bloodwork during your pregnancy that checks for: Your hCG levels. A blood test for hCG can detect pregnancy with more than 99 percent accuracy as early as one week after conception. A qualitative pregnancy blood test simply looks for any hCG in your bloodstream to confirm pregnancy.
Pregnancy dating blood test quantitative blood test measures the exact amount of hCG in your system, which can help your practitioner estimate your due datesince hCG levels change as pregnancy progresses. It can also be used to screen for the possibility of specific pregnancy complications and the presence of multiple embryos. Sexually transmitted infectionsincluding syphilis, hepatitis B and HIV.
Immunity to certain diseasesincluding rubella titers a that you're immune to German measles and varicella chickenpox. Vitamin D deficiencypossibly. Your blood typein the very unlikely event that you need a transfusion at some point. Your Rh factor. Rh incompatibility with your baby can be dangerous if it's not detected, but it's completely treatable if you happen to be among the small minority of women affected. These can screen for things like: Continue Reading Below.
Recommended Reading. Prenatal Testing During Pregnancy. The Benefits of Prenatal Testing. View Pregnancy dating blood test. Kameelah PhillipsM. When to Take a Pregnancy TestApril Merck Manual, Rh IncompatibilityOctober Pregnancy Groups.
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