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Planning a baby often starts with nutrition, folic acid, ovulation tracking, fertility appointments, or early pregnancy scans. But one important step many couples do not know about is carrier screening – a blood test that checks whether a healthy person carries gene variants that could be passed to a child. The VISTA Carrier Screening Targeted […]
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Planning a baby often starts with nutrition, folic acid, ovulation tracking, fertility appointments, or early pregnancy scans. But one important step many couples do not know about is carrier screening – a blood test that checks whether a healthy person carries gene variants that could be passed to a child.
The VISTA Carrier Screening Targeted Panel 2.0 at MedEx Neo Laboratory Clinic in Bangkok screens for 173 inherited genetic conditions and is available for men, women, couples planning pregnancy, and pregnant women before 14 weeks of gestation. The test price listed by MedEx is THB 36,000.
This guide is written for parents and couples who may not know the term carrier screening yet, but are searching for answers such as: what genetic tests should we do before pregnancy, how to check baby genetic disease risk, whether both partners need testing, and where to do preconception genetic testing in Bangkok.
Carrier screening is a type of genetic test for people who are usually healthy. It checks whether you carry a pathogenic variant in a gene linked to an inherited condition. A carrier often has no symptoms, so family history alone may not be enough to know whether there is a reproductive risk.
For many recessive conditions, a child is at risk when both biological parents carry a variant in the same gene. If both partners are carriers for the same autosomal recessive condition, a clinician or genetic counselor can explain the possible outcomes for each pregnancy and the options available before or during pregnancy.
Most couples do not start by searching for ‘carrier screening’. They search because they are worried, planning, or trying to be prepared. Common searches include ‘blood test before getting pregnant’, ‘genetic test before baby’, ‘check disease before pregnancy’, ‘thalassemia test before marriage’, ‘SMA test before pregnancy’, ‘what tests should couples do before having a baby’, and ‘genetic testing for couples Bangkok’.
The blog should therefore use the medical term ‘carrier screening’ while also answering the plain-language questions that future parents are actually typing into Google.
MedEx lists the VISTA Carrier Screening Targeted Panel 2.0 as screening for 173 conditions. Examples listed on the MedEx service page include Duchenne muscular dystrophy, hemophilia B, hereditary hearing loss and deafness, spinal muscular atrophy, phenylketonuria, Wilson disease, glycogen storage disease, galactosemia, alpha-thalassemia, beta-thalassemia, cystic fibrosis, Fragile X syndrome, maple syrup urine disease, Tay-Sachs disease, Smith-Lemli-Opitz syndrome, X-linked ocular albinism, glucose-6-phosphate dehydrogenase deficiency, and polycystic kidney disease.
The test is not a guarantee that a future baby will be free from all genetic conditions. It is a screening tool that helps identify carrier status for the panel’s covered conditions. Result interpretation and reproductive planning should be discussed with a qualified medical professional.
The ideal time is before pregnancy because it gives couples more time to understand results, test the reproductive partner if needed, and consider options calmly. Carrier screening may also be done during pregnancy. The MedEx VISTA Carrier Screening Targeted Panel 2.0 page states the package is available for women, men, and pregnant women before gestational age of 14 weeks.
| Item | Details for VISTA Carrier Screening Targeted Panel 2.0 |
| Clinic | MedEx Neo Laboratory Clinic |
| Location | Sukhumvit 13, Bangkok, near BTS Nana |
| Sample | 5 cc blood sample |
| Fasting | No fasting required |
| Service time | Approximately 10-20 minutes |
| Result time | Typically within 21 business days |
| Result delivery | Email delivery |
| Listed price | THB 36,000 |
A negative result means the test did not detect covered variants in the conditions tested. It reduces risk for the panel conditions but does not eliminate all genetic risk. A positive result means the person is a carrier for one or more covered conditions. In that situation, the next step is usually partner testing, clinical review, and genetic counseling when appropriate.
If both partners carry variants linked to the same recessive condition, a clinician can discuss reproductive options. These may include natural conception with prenatal diagnostic testing, IVF with embryo testing where clinically appropriate, donor gametes, or other family-planning options. The correct pathway depends on the condition, the couple’s values, gestational age, and clinician advice.
| Test | Main purpose | When parents search for it |
| Carrier screening | Checks whether parents carry variants that could be passed to a child | Before pregnancy or early pregnancy |
| NIPT | Screens fetal DNA in pregnancy for selected chromosomal conditions | During pregnancy |
| Thalassemia testing | Checks for thalassemia carrier or disease-related variants | Before marriage, before pregnancy, or during pregnancy |
| Diagnostic prenatal testing | Confirms whether a fetus has a specific condition | Only when clinically indicated and advised by a doctor |
If you are planning pregnancy, using assisted reproduction, considering donor sperm or donor eggs, or already pregnant before 14 weeks, VISTA Carrier Screening Targeted Panel 2.0 may help you understand whether you carry variants linked to inherited conditions that could affect a child.
Book a consultation or speak with the MedEx team to confirm whether this test is appropriate for your situation.
No. Carrier screening can be relevant for women and men because a child inherits genetic information from both biological parents.
Some couples test one partner first, while others test both together to save time. If one partner is found to be a carrier, the reproductive partner may need testing for the same condition or a related panel.
The MedEx service page states that the package is available for pregnant women before gestational age of 14 weeks. If you are already pregnant, discuss timing and next steps with a clinician.
No. A negative result lowers risk for the covered variants and conditions, but no screening test can rule out every possible genetic or non-genetic condition.
MedEx lists the VISTA Carrier Screening Targeted Panel 2.0 at THB 36,000.
No fasting is required according to the MedEx service page.
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