Prenatal screening tests pros and cons all pregnant women should know

Time to read 3 min

All pregnant women should know the pros and cons of genetic testing to the extent that it can be critical for women with a family history of chromosomal conditions. It is vital for women to know their risk factors when carrying a child, so that they are better prepared in the event that their child has a genetic defect.

Conditions such as Down syndrome, Patau syndrome (trisomy 13), Edwards syndrome, etc. can be identified based on the findings of the prenatal screening. The screenings are also a positive step in taking more control over your pregnancy, as you are more aware of any potential complications.

Why get prenatal testing done?

It is vital for all pregnant women to know the major prenatal screening tests pros and cons so that they're aware of any potential anomalies and conditions early. Understanding the pros and cons of prenatal testing, genetic testing, and genetic screening, can help mothers know the risk of birth defects.

A range of tests, such as chorionic villus sampling CVS, hCG, and AFP are performed during different trimesters to ascertain the risk of genetic conditions. In the event of the identification of a potential condition, doctors can take further steps based on the information presented.

What are the benefits of prenatal testing for pregnant mothers?

There are several pros of getting a complete prenatal test done, which is why all mothers should get the right prenatal screening done. You have more information about the risk of your family history of genetic defects impacting your pregnancy.

There is also more specific information provided in case your child has a genetic defect. You can start researching and preparing for your child better, with more direct information through testing. If you also have certain deficiencies, they can be corrected sooner so that you have a streamlined pregnancy.

In terms of cons, mothers may not be prepared to know the potential screening results for genetic anomalies. This may create a sense of anxiety and nervousness through the testing period. Additionally, there may be a minor risk of pregnancy impact for more invasive examinations, which will be explained to you prior to testing.

What tests are a part of a complete prenatal testing?

There are several tests that form a part of a complete screening process. Your gynaecologist may recommend other tests as well depending on your family history.

Complete health scan

A urinalysis, blood glucose, iron, and haemoglobin levels, among other tests are performed to ensure that the mother is healthy enough to carry the pregnancy. Medication may be prescribed to treat any deficiencies.


A sample of the amniotic fluid is extracted to test for genetic anomalies directly. Potential infections can also be tested via the test.

Chorionic villus sampling

Through the CVS test, placental tissue can be tested for genetic anomalies. It is generally performed during the 10 week period of pregnancy, giving mothers a clearer screening result of potential abnormalities.

Blood testing

Through blood testing, with PAPP-A, hCG, AFP, etc. mothers can determine their risk factor for genetic anomalies. Chromosomal defects can be identified with the blood test, giving mothers more information about their pregnancy.

Pelvic examination

A pap smear can be performed to determine the risk of cervical cancer, as well as other complications of uterus, ovaries, and fallopian tubes. This provides a complete risk factor diagnosis during pregnancy.


It is vital to perform regular ultrasounds to check for the baby's health, as well as the visual of the pelvic cavity and abdomen. Any risk factor during the pregnancy can be determined via the ultrasound and diagnosed early.

Where can I buy a prenatal test in India?

You can get a complete prenatal blood test screening test in India via MyDiagnostics. You can book the appropriate blood test based on your trimester, and get the results delivered online directly.

What is the cost of a prenatal test in India?

The cost of the prenatal test in India will be upwards of INR 2500 based on the tests selected. You can select multiple tests based on the recommendation of your gynaecologist.

* Medical Disclaimer - The following information is for educational purposes only. No information provided on this website, including text, graphic, and images, are intended as substitutes for professional medical advice. Please consult with your doctor about specific medical advice pertaining to your condition(s).

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