First off, nice that you got to hold a baby. Also, nice to want to improve the screening for diseases.
Importantly, there is limited evidence supporting almost all the claims, however well intentioned. That PGT-P improves real-world child health outcomes in a way that justifies its routine use is unproven, as is that it reliably predicts or increases intelligence in any practical or meaningful sense (that's before we even consider IQ as only a reliable measure of a narrow construct - where is the reliable measure of creativity, practical judgment, personal...
You're right about growing. Typically, people on a 'growth agenda' search for and adopt new ways/ideas over time. These 'methods' are initially freeing us to grow, but ultimately the method needs to be jettisoned as it becomes a trap for habitual or ritualised behaviour. The self-actualised state is achievable, but not sustainable because the shifts in world around us and within us. Helping or serving others seems obligatory to me.
Setting aside whether any of the tests' narrow set of measures says anything constructive or useful about human beings at all.