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Prenatal identification of minor defects of the digits is a challenge, with more postnatal than prenatal cases. The majority of cases with isolated anomalies in both groups had no underlying chromosomal or monogenic cause, nor were they associated with a syndrome, as compared to the non-isolated cases. Conducting structural anomaly scans and genetic counseling are crucial to assess the risk of genetic abnormalities.
Arduç et al. (Fri,) studied this question.