There was an ultrasound with the fetus, everything is fine, according …

There was an ultrasound with the fetus, everything is fine, according to development too, but one foot said that it will mature in development for a week, is this dangerous? According to the indicators, the term corresponds to 14 weeks, but the BD develops on 13 weeks and 1 day. They said it might be just genetic from the maternal side, nobody had it, and from the father it's unknown.