Invasive tests

Invasive tests increase by about 0.5 % the risk of miscarriage, thus they are recommended only for pregnancies at high-risk of fetal genetic defect. The aim of the invasive tests is to obtain material for genetic analysis, which will exclude or confirm genetic anomaly in your future baby.

We offer two of the most frequent invasive tests, CVS (chorionic villus sampling) and amniocentesis (amniotic fluid sampling). CVS can be performed at 11- 14 weeks, amniocentesis later, from 15 weeks (15 + 0) on. The procedure-related risk of miscarriage of both these procedures is the same, respectively 0.5%.

We use Samsung’s state-of-the-art ultrasound equipment and our consultant Veronika Frisova (head of our clinic) was trained in performance of invasive tests by Prof. Nicolaides in the Fetal Medicine Foundation in London. She is also one of the two Czech holders of the FMF certificate for the performance of invasive tests. Based on her training and experience, invasive tests in our centre are safe and have a very low risk of complications.

Initial results of the PCR regarding the presence of the most common chromosomal defects will be provided within 48 hours after the test, the complete results within 2-3 weeks, sometimes even earlier.