The difference between carrier, diagnostic, predictive, prenatal and pharmacogenomic testing, and which one answers which question.
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How non-invasive prenatal paternity testing uses cell-free DNA, when it can be done, what affects reliability and what to verify before booking.
Why thalassaemia carrier screening matters in Thailand, the MCV and MCH first step, DCIP and haemoglobin typing, and when DNA analysis is needed.
A complete list of what NIPT screens for, how well it performs for each, and the important conditions it does not cover at all.
A scan-by-scan guide to pregnancy ultrasound in Bangkok: dating, nuchal translucency, anomaly and growth scans, and what each one can and cannot detect.
How paternity testing achieves 99.99% probability, why the chain of custody determines legal admissibility, and what complicates results.
A week-by-week decision guide to prenatal testing in Thailand, covering screening, diagnosis, carrier testing and ultrasound, and how to choose between them.
How first trimester combined screening compares with NIPT, what the nuchal translucency scan adds that NIPT cannot, and how the two work together.
Why NIPT starts at 10 weeks, how gestational age affects fetal fraction, and how to plan timing around the dating scan and confirmatory options.
Why NIPT sometimes uncovers findings relating to the mother rather than the pregnancy, how often this happens, and what follow-up involves.