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Prenatal testing: Quick guide to common tests

Prenatal tests: Speedy guideline to prevalent exams

Prenatal screening exams can present info about your baby’s overall health just before he or she is born. Think about the timing and what prenatal tests can reveal.

By Mayo Clinic Personnel

Prenatal tests is supplied in all pregnancies. This is an overview of prevalent prenatal screening exams:

What it is When it can be performed What the outcomes may possibly notify you Follow-up
Mobile-free of charge DNA (cfDNA) screening
Blood take a look at As early as 7 days 10 Threat of Down syndrome (trisomy 21), trisomy 18 and trisomy 13 and fetal sex Doable invasive tests, these types of as chorionic villus sampling or amniocentesis
1st trimester screening
Blood take a look at and ultrasound 11-14 months Threat of Down syndrome (trisomy 21) and trisomy 18 Doable invasive tests, these types of as chorionic villus sampling or amniocentesis mobile-free of charge DNA screening may perhaps also be deemed
Quad display screen
Blood take a look at fifteen-22 months Threat of Down syndrome (trisomy 21), trisomy 18 and open up neural tube flaws, these types of as spina bifida Doable focused ultrasound, or invasive tests these types of as chorionic villus sampling or amniocentesis mobile-free of charge DNA screening may perhaps also be deemed

Some overall health care companies decide on to merge the outcomes of initially trimester screening with the quad display screen — although you won’t find out the ultimate outcomes of this sequential tests until finally both equally exams are completed and analyzed.

In addition, fetal ultrasound typically performs an significant position in prenatal care and screening. Early in pregnancy, ultrasound can be made use of to ensure and day a pregnancy. Afterwards, ultrasound can be made use of to detect sure delivery flaws and fetal anomalies, which include neural tube flaws.

Blood exams and ultrasounds pose restricted threats for you and your little one. If the outcomes of a blood take a look at or ultrasound are good or worrisome, your overall health care service provider may possibly endorse a far more invasive diagnostic take a look at — these types of as chorionic villus sampling or amniocentesis. These exams can be made use of to diagnose ailments, but they have a slight chance of pregnancy reduction.

If you are worried about prenatal tests or wonder irrespective of whether you will need precise screening or diagnostic exams, focus on the threats and positive aspects with your overall health care service provider.

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