Prenatal tests: Speedy guide to frequent assessments

Prenatal screening assessments can provide information about your baby’s well being right before he or she is born. Consider the timing and what prenatal tests can expose.

By Mayo Clinic Employees

Prenatal tests is available in all pregnancies. Here is an overview of frequent prenatal screening assessments:

What it is When it can be finished What the outcomes may well convey to you Abide by-up
Mobile-absolutely free DNA (cfDNA) screening
Blood take a look at As early as week ten Possibility of Down syndrome (trisomy 21), trisomy eighteen and trisomy thirteen and fetal intercourse Possible invasive tests, these types of as chorionic villus sampling or amniocentesis
1st trimester screening
Blood take a look at and ultrasound eleven-fourteen months Possibility of Down syndrome (trisomy 21) and trisomy eighteen Possible invasive tests, these types of as chorionic villus sampling or amniocentesis cell-absolutely free DNA screening may well also be regarded
Quad screen
Blood take a look at fifteen-22 months Possibility of Down syndrome (trisomy 21), trisomy eighteen and open up neural tube problems, these types of as spina bifida Possible focused ultrasound, or invasive tests these types of as chorionic villus sampling or amniocentesis cell-absolutely free DNA screening may well also be regarded

Some well being care vendors select to combine the outcomes of 1st trimester screening with the quad screen — while you will never find out the remaining outcomes of this sequential tests right until each assessments are done and analyzed.

In addition, fetal ultrasound frequently plays an significant purpose in prenatal care and screening. Early in pregnancy, ultrasound can be utilized to validate and day a pregnancy. Later on, ultrasound can be utilized to detect specified delivery problems and fetal anomalies, such as neural tube problems.

Blood assessments and ultrasounds pose minimal hazards for you and your newborn. If the outcomes of a blood take a look at or ultrasound are positive or worrisome, your well being care provider may well suggest a much more invasive diagnostic take a look at — these types of as chorionic villus sampling or amniocentesis. These assessments can be utilized to diagnose problems, but they carry a slight chance of pregnancy reduction.

If you’re involved about prenatal tests or wonder irrespective of whether you have to have unique screening or diagnostic assessments, go over the hazards and advantages with your well being care provider.