Risks
Risk of miscarriage in CVS is about 0.5 - 1%. Apart from a risk of miscarriage, there is a risk of infection and amniotic fluid leakage. The resulting amniotic fluid leak can develop into a condition known as oligohydramnios, which is low amniotic fluid level. If the resulting oligohydramnios is not treated and the amniotic fluid continues to leak it can result in the baby developing hypoplastic lungs (underdeveloped lungs).
Additionally, there is also mild risk of Limb Reduction Defects associated with CVS, with the risk being higher the earlier the procedure is carried.
It is important after having CVS that the obstetrician follow the patient closely to ensure the patient does not develop infection.
Read more about this topic: Chorionic Villus Sampling
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