Your serious and responsible attitude towards yourself and others is admirable, but unfortunately modern medicine has not yet developed to such an extent that although it is known that there is an obvious genetic phenomenon, the gene that is definitely related has not yet been found, so it is difficult to do such a test yet. It is advisable to follow your path in life and move forward with confidence, as this would have been the natural arrangement and should be tried, enjoyed and experienced to the fullest as long as there are no legal restrictions.